the structure responsible for sperm production is thethe structure responsible for sperm production is the

Throughout adulthood, the hormone is integral in a variety of functions, such as: Maintaining libido Sperm production Maintaining muscle strength and mass Promoting healthy bone density Testosterone Production The hypothalamus and pituitary gland control how much testosterone the testes produce and secrete. d. Bladder which surgery is commonly used to treat benign prostatic hyperplasia? Theyre contained in a sac of skin called the scrotum. C. seminal vesicles. a. Perianal ultrasound d. seed (ovum or spermatozoon). b. anorchism. The activation of tail movements is part of the process of capacitation, in which the sperm undergoes a series of cellular changes that enables its participation in fertilization. Read our, PIXOLOGICSTUDIO/SCIENCE PHOTO LIBRARY / Getty Images, Congenital Disorders Affecting the Testes. (2010). e. Ejaculatory duct. The scrotum hangs outside the body in the front of the pelvic region near the upper thighs. Before sperm can get to the epididymis, they cant move. Then, the semen samples were maintained at -20 C until they were transferred to the laboratory (Department of Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran). Acta Oncol. d. BNO. c. Scrotal ultrasound e. testicular sprain. We avoid using tertiary references. Gurney JK, Mcglynn KA, Stanley J, et al. epididymis => vas deferens =>seminal vesicles => prostate gland =>urethra. Meiosis produces haploid cells with half the number of chromosomes normally found in diploid cells. Is One Testicle Bigger Than the Other Normal? a. BNO The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. The cells and tissues in the tubules are responsible for spermatogenesis, which is the process of creating sperm. c. STI. In humans it is flattened and almond-shaped, four to five micrometres long and two to three micrometres wide (there are about 25,000 micrometres in an inch). DOI: Ilio KY, et al. Which sperm and pregnancy myths are true and which are false? It can be awkward to talk about your testicles, but don't let embarrassment stand in your way of getting a proper diagnosis and treatment. What are the parts of the male reproductive anatomy? b. sterility. b. Ureteroplasty Proton channels on sperm flagella are primed for opening by the presence in the female reproductive tract of a substance known as anandamide, which is thought to occur in high concentrations near the egg. a. prepuce. The fetus is falsely depicted as a seed in nutritive soil, autonomous from the mother. PCl3(g)+Cl2(g)PCl5(g). e. male. Symptoms include pain and swelling of the testicle, typically sudden and severe. (2018). d. hypogonadism. a. vessel. b. after the patient becomes sexually active. WebFinal answer. a. radical prostatectomy. a. aspermia. Up to 15% of males overall and more than a third of males with infertility are diagnosed with varicocele. d. dry. This gives the sperm an increased chance of reaching the egg before exhausting its energy supplies. Antibiotics Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. Testis is the medical term for a single testicle. Web2016 US PRESIDENTIAL ELECTION: The 2016 US PRESIDENTIAL ELECTION contest between Donald Trump and Hillary Clinton revealed much more than just a presidential winner, it exposed how the Marxist MAINSTREAM MEDIA mob -- and the LEFT-WING PROGRESSIVE LIBERAL followers of SOCIALISM and COMMUNISM that politically b. Antivirals 85 of the following cannot be associated with fungi? FSH is then responsible for the release of androgen-binding protein Checkpoint Question 5.1 (ABP). b. cryptorchidism. Fortunately, testicular cancer is highly curable, and death rates are low. PSA is a screening test for sexually transmitted diseases. It can result from a testicular issue or because your brain doesnt properly stimulate hormone production. Each egg and sperm produced has slightly different genetic information carried in the chromosomes; this accounts for the differences and similarities between children of the same parents. Unlike females, who can only produce a limited number of eggs over a lifetime, males are able to produce millions and millions of sperm each day. Once out of the epididymis, the sperm move to the vas deferens. c. Vasitis Figure 24.14. The prefix epi- means: Elizabeth Boskey, PhD, MPH, CHES, is a social worker, adjunct lecturer, and expert writer in the field of sexually transmitted diseases. The head portion is mainly a cell nucleus; it consists of genetic substances, called chromosomes, which are responsible for transmitting specific characteristics of an individual, such as the colour of eyes, hair, and skin. The combining forms (CFs) orch/o, orchi/o, orchid/o, and test/o mean: For normal sperm development, the testes must be at a temperature slightly cooler than the body temperature. Elizabeth Boskey, PhD, MPH, CHES, is a social worker, adjunct lecturer, and expert writer in the field of sexually transmitted diseases. The microsporangia (plural of microsporangium) are pollen sacs in which the microspores develop into pollen grains. b. Prostate In addition to undescended testicles, there are times when a male baby may be born with no testicles, one testicle, or more than two testicles. Semen, which contains sperm (reproductive cells), is expelled (ejaculated) through the end of the penis when the man reaches sexual climax (orgasm). Among individuals 15 to 50 years old, men are ten times as likely as women to suffer from iron overload. In older males and children, orchitis may be caused by a bacterial or viral infection. Two common symptoms of gonorrhea in males are dysuria and: Sperm exit the scrotum through the ductus deferens, which is bundled in the spermatic cord. It is a very rare condition with fewer than 200 reported cases. e. Anti-impotence agents, Which abbreviation refers to a tumor marker for prostatic disorders? An embryo With that said, most lumps in the testicles are not cancerous. d. Genital warts c. slit, fissure. US of the tunica vaginalis testis: Anatomic relationships and pathologic conditions. a. hydronephrosis. Most of the male reproductive system is located outside of your abdominal cavity or pelvis. e. bilateral vasostomy. The cells and tissues in the tubules are responsible for spermatogenesis, which is the process of creating sperm. You have several internal organs also called accessory organs that play a big part in the male reproductive system. seminal vesicles/ vesicular glands two glands that open into the ductus deferens where it joins the urethra; secrete a thick, yellow substance that nourishes sperm and adds volume to the ejaculated semen semen he ejaculatory fluid that contains sperm and the secretions of the accessory sex glands Let us know if you have suggestions to improve this article (requires login). A deficiency in spermatozoa in semen is called: The tail gives the sperm cell movement. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. Policy. Which structure is located within the penis? Taking into account this range of ages, propose a hypothesis that explains this difference. This is a collection of blood vessels, nerves, and ducts that support the health and function of the testes. Heres a list of some of the most common ones. WebThe mitochondria are the carriers of the oxidative enzymes and the enzymes which are responsible for oxidative phosphorylation. d. testicular torsion. The cause of testicular cancer isnt always clear. Here's how to avoid the most common mistakes. In males, it has the additional function of ejaculating semen when the man reaches orgasm. c. prostatic disorders. It also contributes to libido (sex drive), sexual function, and male fertility. e. anorchia. seminiferous tubules. The enlarged tip of the penis is called the: - glans penis. d. cryptorchidism. Two common symptoms of gonorrhea in males are dysuria and, Inflammation of the seminal vesicle is called. It then takes several months for the sperm cells to mature enough to be functional. Growth C. Production of gametes D. Repairing of damaged tissues c. chancre. WebMD does not provide medical advice, diagnosis or treatment. The union of the vas deferens with the duct from the seminal vesicle forms the: Am Fam Physician. Also known as an undescended testicle, it is one of the most common congenital conditions affecting male babies. e. Digital rectal examination. d. near. These organs do the following jobs within your body: The male reproductive system is made up of internal (inside your body) and external (outside your body) parts. b. leukorrhea. Which sexually transmitted infection is associated with three distinct phases? a. e. Semen analysis, Which screening test evaluates the pelvic area, especially for prostate abnormalities? Healthline Media does not provide medical advice, diagnosis, or treatment. (2018). It holds the testicles (also called testes), as well as many nerves and blood vessels. It is the small, muscular sac that, Heres what you need to know about the anatomy and function of seminal vesicles, as well as the medical conditions that affect them, and their, The ductus deferens, or the vas deferens, is a male anatomical part; there are two of these ducts and their purpose is to carry ejaculatory sperm out, The spermatic cord is actually a bundle of fibers and tissues that form a cord-like structure that runs through the abdominal region down to the, In male anatomy, the corpus spongiosum of penis is a mass of erectile tissue that lies along the underside of the penis and is located below the pair, The penis contains arteries that pump blood to the penis, causing an erection. (2000), lower temperatures boost sperm motility and speed. These are chemicals that stimulate or regulate the activity of your cells or organs. c. aging. Jones O. This vein runs the, The left testicular vein is the male equivalent of the ovarian vein. Which sexually transmitted infection is associated with three distinct phases? c. Mycotics Genital herpes is associated with a phenomenon called "viral shedding.". b. herpes simplex virus type 1. WebThe testes are the primary male reproductive organ and are responsible for testosterone and sperm production. Chlamydia is considered a(n): b. Gonorrhea These external organs include the penis, scrotum and testicles. e. epididymitis. e. place. The false narratives combine to form a pseudo b. radiotherapy. d. Genital warts The CF varic/o means: b. vein. Freezing sperm can be a safe and effective way to preserve your chances of having a biological child. e. ED. The testes are contained within the scrotum, a pouch made of skin and smooth muscle that hangs down behind the penis.. The testes (testicles) are two egg-shaped organs housed within the scrotum that play a central role in male fertility and function. d. vasectomy. e. hypogonadism. prostate. c. Combined hormonal therapy a. gonads. e. to correct erectile dysfunction. c. spermatozoa, sperm cells. d. spermicide. Be able to identify each of the following cell structures on the model or diagram and know the functions of each: cell (plasma) membrane, cytoskeleton, nucleus, nucleolus, nuclear membrane, rough endoplasmic reticulum (ER), smooth endoplasmic reticulum, ribosomes, mitochondria, Golgi body, vesicles, The suffix -spadias means: We do not endorse non-Cleveland Clinic products or services. Off-label usage of testicular self-examination (TSE): Benefits beyond cancer detection. Structure of the male reproductive system. An Overview of the Male Reproductive System, An Overview of Testosterone Replacement Therapy, Testicular Cancer Facts and Statistics: What You Need to Know, What to Expect From Orchiopexy Procedures for Undescended Testicles, Symptoms of High Prolactin Hormone Levels, Early life risk factors for testicular cancer: a case-cohort study based on the Copenhagen School Health Records Register. If your sperm count is abnormal, work. glans d. hypogonadism. a. hydrocele. These are soft, egg-shaped organs located inside the scrotum. sperm, also called spermatozoon, plural spermatozoa, male reproductive cell, produced by most animals. (2000), lower temperatures boost sperm motility and speed. 4. Testosterone is a hormone that is responsible for secondary male characteristics such as facial hair, body hair, and increased muscle mass. Nat Rev Urol. Which is the path of sperm from the testes to the urethra? The primary hormones involved in the male reproductive system are follicle-stimulating hormone, luteinizing hormone, and testosterone. c. Levitra Hirsh IH. d. brachytherapy. e. after a diagnosis of any sexually transmitted infection. b. seminoma. The cells responsible for making inhibin are: (be specific/male AND female): 2. The primary hormones involved in the functioning of the male reproductive system are follicle-stimulating hormone (FSH), luteinizing hormone (LH) and testosterone. Webejaculation, the release of sperm cells and seminal plasma from the male reproductive system. These tubules are responsible for producing the sperm cells through a process called 1. Testicular cancer happens when cancerous cells multiply within the tissue of your testicles. According to Gist et al. Special muscles in the wall of the scrotum allow it to contract (tighten) and relax, moving the testicles closer to the body for warmth and protection or farther away from the body to cool the temperature. d. seminal vesicle. a. vessel. Try to avoid wearing tight underwear and pants. Magnetic resonance imaging (MRI) uses powerful magnetic and radio waves to create highly detailed images of soft tissues. The germination phase represents the second phase of growth in the male gametophyte, consisting of three cells. Female gametophyte is the female gamete-producing structure, which comes from the megaspore. Megasporangium produces the megaspores inside the ovary in angiosperms. a. condition. This may involve palpation (the light touching of tissues). This results in a higher concentration of sperm in ejaculate fluid. Covering the head of the sperm is a cap known as the acrosome, which contains enzymes that help sperm to enter an egg. The male reproductive system's internal structure consists of organs involved with the production, maintenance, and delivery of sperm (male reproductive cells) and a. Androgens e. ureteritis. FSH is necessary for sperm production (spermatogenesis). Inflammation of the seminal vesicle is called: Essential Screening Tests Every Man Needs, Symptoms of Sexually Transmitted Diseases (STDs), To discharge sperm within the female reproductive tract during sex. In each body cell of healthy humans, there are 46 chromosomes, which are responsible for the individuals general physical makeup. This article discusses the anatomy of testes, including their function and medical conditions that can harm them or lead to infertility. e. erectile dysfunction. e. azotemia. The process of going from a germ cell to a mature sperm cell capable of egg fertilization takes around 2.5 months. The Ro Sperm Kit analyzes your sperm health and even lets you store your sperm but is it worth it? Like epididymitis, orchitis often results from an infection caused by an STI. Both testicles have veins that attach at different locations. b. hesitancy. Penis: This is the male organ used in sexual intercourse. Its also the job of the epididymis to bring the sperm to maturity the sperm that emerge from the testes are immature and incapable of fertilization. Tiwana MS, Leslie SW. Anatomy, abdomen and pelvis, testicle. Within the scrotum, the testes are suspended from the abdomen by the spermatic cord. A fundamental change that occurs during capacitation is alkalinization of sperm cytoplasm, in which the intracellular pH levels increase, particularly in the flagellum. d. scrotal ultrasound. b. vein. The efferent ducts are a series of tubes that join the rete testis to the epididymis. b. destroying. a. when the warts become visible. Vas deferens: The vas deferens is a long, muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. Structure (morphology). e. vesiculitis. a. testis (plural testes). d. testicular strain. b. Transrectal ultrasound a. cryptorchism. The male gamete is called the: - sperm. Moisture trapped in the area can quickly become a breeding ground for bacteria. a. STI a. teletherapy. Benign prostatic hyperplasia is commonly associated with, Failure of the testes to descend into the scrotal sac prior to birth is called, Inflammation of the skin covering the glans penis is called, The inability to produce offspring is called, The PSA test is used as a screening test for, Orchiopexy may be accompanied by the surgical procedure called. d. dilated vein. The midpieceis the part of the sperm between the head and the flagellum tail. b. Gonorrhea Many conditions can affect the testes. Risk factors for cryptorchidism. ( A) Glycerophospholipids (GPL) and phospholipases. Int J Surg Case Rep. 2017;31:167-169. doi:10.1016/j.ijscr.2017.01.044. WebToggle Structure subsection 1.1Outer membrane 1.2Intermembrane space 1.3Inner membrane 1.3.1Cristae 1.4Matrix 2Function Toggle Function subsection 2.1Energy conversion 2.1.1Pyruvate and the citric acid cycle 2.1.2O2and NADH: energy-releasing reactions 2.1.3Heat production 2.2Storage of calcium ions 2.3Cellular proliferation e. Androderm, Which abbreviation refers to difficulty passing urine due to obstruction at the base of the bladder? The enlarged tip of the penis is called the. c. orchialgia. They discharge sperm into the female reproductive tract. The fluid of the seminal vesicles makes up most of the volume of a man's ejaculatory fluid, or ejaculate. d. to correct infections. WebIn this chapter, I discuss case-studies that have used animal-cognition principles in conservation. b. TURP c. orchitis. c. over. 1. The testes increase in size through adulthood and then decrease in size later in life due to the natural decline in testosterone. (A) They are found only in tropical climates. Transverse testicular ectopia usually occurs alongside other congenital conditions such as hypospadias (in which the opening of the urethra is not at the tip of the penis). Beyond congenital disorders affecting the testes, there are also medical conditions that can affect the testes later in life. For normal sperm development, the testes must be at a temperature slightly cooler than body temperature. Which class of drugs is used to increase "maleness" characteristics in hypogonadism ? c. dermatitis. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Viagra is contraindicated in patients with coronary artery disease or hypertension. d. Eulexin passes at an angle through the prostate gland, The structure responsible for sperm production is the, The enlarged tip of the penis is called the, The external sac that contains the testes is called the, Fluid containing sperm and secretions from the male reproductive glands is called. These secondary sex characteristics include a deepening of the voice, the growth of facial, axillary, and pubic hair, and the beginnings of the sex drive. a. hypospadias. During sexual arousal, contractions force the sperm into the vas deferens. d. systemic rash. The testes and epididymis. It has three parts: The opening of the urethra the tube that transports both semen and urine out of the body is located at the tip of the glans penis. The structure responsible for sperm production is the: The enlarged tip of the penis is called the: The external sac that contains the testes is called the: Fluid containing sperm and secretions from the male reproductive glands is called: Which structure stores sperm after it leaves the seminiferous tubules? c. PSA c. hidden. What are the functions of the Which structure at the base of the bladder secretes a thin alkaline fluid that protects sperm from an acidic environment? The CF olig/o means: b. pubescent males. As a result of the stimulation, the semen, which contains up to 500 million sperm, is pushed out of the penis (ejaculated) through the urethra. vas deferens. e. HPV, Which drug treats viral disorders by inhibiting their development? It can also happen due to an injury, infection, or other condition that affects testosterone production. b. oligospermia. The second function of the testes is to produce sperm. d. forming. Which of the following statements about renewable resources is TRUE? b. before age 2. e. gynecomastia. Its a thick, protective layer made of densely packed fibers that further protect the testes. A mans reproductive system is specifically designed to produce, store, and transport sperm. The midpiece is packed with mitochondria that produce the energy needed to move the flagellum. An active pseudo-embryology is flourishing today, well nourished by popular science, religious ideologies, and the public media. A lack of testosterone may be responsible for, A prolonged and often painful erection of the penis that occurs without sexual stimulation is called, The congenital absence of one or both testes is called. Antibiotics Its aimed at either the brain or testes, depending on the source of low testosterone production. Just as eugenics was a pseudoscience that influenced (and still influences) American popular culture and which was responsible for racist anti-immigration laws (such as the Immigration Act of 1924), 1-3 pseudo b. prostostomy. c. urethra. c. fluid. c. Mycotics How long can sperm live outside the body? The structure responsible for the production of FSH is: 4. d. Fluoroscopy e. infertility. Dysfunction of Katnal1 is suspected to underlie some instances of male infertility, and thus, the gene represents a potential target for the development of male infertility drugs as well as new forms of male contraception. WebTestosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis. How Long Can Sperm Survive After Ejaculation? a. Zovirax c. Syphilis d. nocturia. d. Meatotomy d. Transurethral resection It transports and stores sperm cells that are produced in the testes. Several things can cause testicular torsion, including: Your doctor can treat testicular torsion by moving the testicle by hand. This layer is made up of Sertoli cells that aid in the production of hormones that generate sperm. What is the result of the male reproductive system being successful? The sperm cells have only 23 chromosomes, or half of the usual number. Orchiopexy is usually performed: WebThe two testes (singular, testis) are sperm and testosterone-producing gonads in male mammals, including male humans.These and other organs of the human male reproductive system are shown in Figure 18.3.2. The efferent ducts also absorb most of the fluid that helps to move sperm cells. c. sexually transmitted infections. b. infertility. For the purpose of this article, the term male refers to people with penises irrespective of their gender identity or whether they identify with any gender at all. Omissions? d. Genital herpes a. Chlamydia Testicular torsion is a medical emergency. Lobules are made up of coiled tubes surrounded by dense connective tissues. WebSperm production occurs in the ductus deferens. Which procedure involves reconstruction of the urethra to relieve pain when voiding due to a urethral stricture? It's recommended you utilize this anywhere in between 15-30 c. vasoplasty. As The Glickman Urological & Kidney Institute offers innovative treatments in urology and kidney medicine, including minimally invasive, scarless options for urologic procedures and medical management of kidney disease. Another term for orchiectomy is: The hormone (s) responsible for male and female secondary sex characteristics are: 5. The deep dorsal artery of penis is part of the internal pudendal artery, The deep dorsal vein of the penis drains oxygen-depleted blood away from the glans, which is the external head of the sexual organ. b. prostate gland. The tail of the sperm, sometimes called the flagellum, is a slender, hairlike bundle of filaments that connects to the head and middle portion. WebSperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. Cryptorchidism in infants is not considered a medical emergency, and many times the testicle will descend on its own. (C ) They are replaceable by natural means. (1994). What are the first signs of testicular cancer? It carries and stores sperm cells that are created in the testes. Along with a layer of smooth muscle, cilia help move the sperm into the epididymis. b. urinary tract infections. One of the biggest changes for a woman after menopause is that she can no longer have children. The penis also contains many sensitive nerve endings. These chambers are made up of special, sponge-like tissue. SCIENTIFICINQUIRY\text{\blue{SCIENTIFIC INQUIRY}}SCIENTIFICINQUIRY In human populations of northern European origin, the disorder called hemochromatosis causes excess iron uptake from food and affects one in 200 adults. LH is responsible for the release of testosterone. Posterior half of nucleus, neck and middle piece of sperm are covered by a sheath, manchette. e. prepuce. Within the testes are coiled masses of tubes called seminiferous tubules. Figure 18.3.2 The e. varicocele. What should my testicles look and feel like? (2009). The testes are made up of several lobes that contain b. prostatic carcinoma. Assume the number of hours, minutes, and seconds have been read into the variables hours, minutes, and seconds, respectively, and that the variable totalSeconds has been properly declared. Follicle-stimulating hormone is necessary for sperm production (spermatogenesis), and luteinizing hormone stimulates the production of testosterone, which is also needed to make sperm. Only one sperm fertilizes each egg, even though 300,000,000 to 400,000,000 sperm are contained in an average ejaculation. d. prior to becoming sexually active. MRI of the scrotum: Recommendations of the ESUR Scrotal and Penile Imaging Working Group. the duct system: epididymis and vas deferens (sperm duct), the accessory glands: seminal vesicles and prostate gland. d. position. a. Chlamydia a. human papillomavirus. a. castration. d. Vasectomy The male reproductive system is mostly located outside of the body. Hypergonadism is a decrease or lack of hormones produced by the gonads. d. infertility. These tubules are responsible for producing the sperm cells through a process called spermatogenesis. will shift to the right, shift to the left, or neither: (a) addition of PCl3(g)\mathrm{PCl}_3(\mathrm{~g})PCl3(g), (b) removal of PCl3(g)\mathrm{PCl}_3(\mathrm{~g})PCl3(g), (c) removal of PCl5(g)\mathrm{PCl}_5(\mathrm{~g})PCl5(g), and (d) removal of Cl2(g)\mathrm{Cl}_2(g)Cl2(g). c. hidden. b. brachytherapy. These are where sperm are produced in a process known as spermatogenesis. Administering antiandrogenic agents and hormones that deplete the body of testicular hormones is associated with treatment of: c. Genital herpes Embryo B. Fertilized egg C. Egg cell D. Sperm cell. c. vas deferens. d. PSA The body of the penis is cylindrical in shape and consists of three circular shaped chambers. Spontaneous twisting of a testicle within the scrotum is called: These external structures include the penis, scrotum, and testicles. LH stimulates the production of testosterone, which is necessary to continue the process of spermatogenesis. d. sterility. c. Syphilis What Is Sperm Motility and How Does It Affect Fertility? d. Digital rectal examination Testicular cancer. Get useful, helpful and relevant health + wellness information. d. Orchitis I expand on four conceptual essays about the interface of behavior and conservation, which were previously published in The Conservation Behaviorist (TCB), a biannual periodical of the Animal Behavior Societys Conservation Committee: Animal Tail (flagellum): It is the longest part of sperm. Gonorrhea, if left untreated, may infect the internal reproductive structures, causing pelvic inflammatory disease. b. Viagra c. herpes simplex virus type 2. Our website services, content, and products are for informational purposes only. Updates? Transverse testicular ectopia, or crossed testicular ectopia, is an equally rare condition. d. prostatectomy. Prostate cancer is associated with men older than age 60 years. This hormone is responsible for sex drive, fertility, and the development of muscle and bone mass. Fluid containing sperm and secretions from the male reproductive glands is called: - semen. b. hypergonadism. a. Prostate-specific antigen e. gonads, sex glands. e. Genital warts. The joint nature of maternal and fetal physiologies and anatomies are marginalized. WebIt is an activity that starts with sketches of parts and assemblies and then progresses to the computer-aided design (CAD) workstation where assembly drawings and detailed part drawings are produced.- DFMA is oriented toward the engineering of the product with an emphasis on reducing production cost. It is responsible for the growth of male genitals and sperm production. It contains the testicles (also called testes), as well as many nerves and blood vessels. epididymis. A prolonged and often painful erection of the penis that occurs without sexual stimulation is called: e. infertility. Together, these organs help you urinate (rid your body of liquid waste materials), have sexual intercourse and make children.

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