Podcast
Questions and Answers
Where are the primary sex organs (gonads) located in males?
Where are the primary sex organs (gonads) located in males?
- Prostate gland
- Seminal vesicles
- Epididymis
- Testes (correct)
What is the function of the accessory sex glands in the male reproductive system?
What is the function of the accessory sex glands in the male reproductive system?
- To control sexual behavior and drives
- To empty their secretions into the ducts during ejaculation (correct)
- To produce and store sperm
- To regulate hormone production
Which hormone is predominantly responsible for male sexual characteristics and behaviors?
Which hormone is predominantly responsible for male sexual characteristics and behaviors?
- Androgens (correct)
- Testosterone
- Progesterone
- Estrogens
Where are sperm produced and stored before ejaculation?
Where are sperm produced and stored before ejaculation?
What is the primary function of the male gonads (testes)?
What is the primary function of the male gonads (testes)?
Which part of the male reproductive system delivers sperm to the exterior?
Which part of the male reproductive system delivers sperm to the exterior?
What is the role of sex hormones in the male reproductive system?
What is the role of sex hormones in the male reproductive system?
What keeps the testes 3ï‚° C lower than core body temperature?
What keeps the testes 3ï‚° C lower than core body temperature?
What surrounds the seminiferous tubules and produces androgens?
What surrounds the seminiferous tubules and produces androgens?
What structure conveys sperm to the rete testis?
What structure conveys sperm to the rete testis?
What is the primary function of the efferent ductules?
What is the primary function of the efferent ductules?
What is the cuff of skin covering the distal end of the penis called?
What is the cuff of skin covering the distal end of the penis called?
What is the primary function of the corpus spongiosum?
What is the primary function of the corpus spongiosum?
From where do the testicular arteries branch and supply the testes?
From where do the testicular arteries branch and supply the testes?
What is the role of sustentacular cells in spermatogenesis?
What is the role of sustentacular cells in spermatogenesis?
What is the function of the acrosome in sperm?
What is the function of the acrosome in sperm?
Which cells maintain the germ line in the seminiferous tubules?
Which cells maintain the germ line in the seminiferous tubules?
What is the role of androgen-binding protein (ABP) in spermatogenesis?
What is the role of androgen-binding protein (ABP) in spermatogenesis?
What is the function of the blood-testis barrier?
What is the function of the blood-testis barrier?
What stimulates the release of FSH and LH from the anterior pituitary gland?
What stimulates the release of FSH and LH from the anterior pituitary gland?
What is the role of testosterone in the male reproductive system?
What is the role of testosterone in the male reproductive system?
What is the function of the midpiece in sperm?
What is the function of the midpiece in sperm?
What is the source of estrogen for neurons in the male reproductive system?
What is the source of estrogen for neurons in the male reproductive system?
Where does nonmotile sperm enter and become motile?
Where does nonmotile sperm enter and become motile?
What is the function of the bulbourethral glands?
What is the function of the bulbourethral glands?
Which gland secretes slightly acidic fluid and accounts for one-third of semen volume?
Which gland secretes slightly acidic fluid and accounts for one-third of semen volume?
What initiates erection by sexual stimuli?
What initiates erection by sexual stimuli?
What is the process of sperm production involving meiosis and genetic variability?
What is the process of sperm production involving meiosis and genetic variability?
Which part of the male reproductive system is cut in vasectomy?
Which part of the male reproductive system is cut in vasectomy?
What does semen contain to facilitate sperm movement?
What does semen contain to facilitate sperm movement?
Meiosis forms spermatids from spermatocytes
Meiosis forms spermatids from spermatocytes
Spermatids are haploid but nonmotile late in spermatogenesis
Spermatids are haploid but nonmotile late in spermatogenesis
Sustentacular cells form a blood-testis barrier to prevent sperm antigens from escaping into the blood
Sustentacular cells form a blood-testis barrier to prevent sperm antigens from escaping into the blood
Sustentacular cells deliver nutrients to dividing cells and secrete testicular fluid to provide the transport medium for sperm
Sustentacular cells deliver nutrients to dividing cells and secrete testicular fluid to provide the transport medium for sperm
The hypothalamus releases luteinizing hormone (LH) to stimulate interstitial cells to release testosterone
The hypothalamus releases luteinizing hormone (LH) to stimulate interstitial cells to release testosterone
Testosterone is synthesized from cholesterol and must be transformed into dihydrotestosterone (DHT) before it can bind within the nucleus
Testosterone is synthesized from cholesterol and must be transformed into dihydrotestosterone (DHT) before it can bind within the nucleus
The male secondary sex characteristics induced by testosterone include enhanced growth of the chest and deepening of the voice
The male secondary sex characteristics induced by testosterone include enhanced growth of the chest and deepening of the voice
The ovaries are the primary female reproductive organs that make female gametes (ova) and secrete female sex hormones
The ovaries are the primary female reproductive organs that make female gametes (ova) and secrete female sex hormones
The accessory ducts in the female reproductive system include uterine tubes, uterus, and vagina
The accessory ducts in the female reproductive system include uterine tubes, uterus, and vagina
The external genitalia in the female reproductive system are referred to as the external sex organs
The external genitalia in the female reproductive system are referred to as the external sex organs
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Study Notes
Male Reproductive System Anatomy and Function
- Epididymis is the site where nonmotile sperm enter and become motile
- Ductus deferens, from the epididymis to the urethra, is cut in vasectomy
- Urethra conveys both urine and semen and consists of three regions
- Seminal vesicles secrete 60% of semen volume, containing fructose and prostaglandins
- Prostate gland secretes slightly acidic fluid and accounts for one-third of semen volume
- Bulbourethral glands produce mucus to neutralize acidic urine in the urethra
- Semen contains sperm and accessory gland secretions, facilitating sperm movement
- Semen also contains prostaglandins, relaxin, and seminalplasmin
- Semen coagulates after ejaculation and then liquefies
- Erection is initiated by sexual stimuli and involves the release of nitric oxide
- Ejaculation is a sympathetic nerve-driven process that empties reproductive ducts and prevents urine expulsion
- Spermatogenesis is the process of sperm production involving meiosis and genetic variability
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