Reproductive System: Male Gametes and Testes

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What is the primary function of Sertoli cells in the testes?

To promote sperm production and eliminate germ cells (correct)
To regulate the temperature of the testes
To provide nutrients to developing sperm
To produce androgens for male reproduction

What is the term for the failure of the testes to descend into the scrotum before birth?

Androgenesis
Spermatogenesis
Cryptorchidism (correct)
Gonadogenesis

What is the approximate number of lobules that the tunica albuginea separates the testes into?

500-600
100-150
300-400 (correct)
200-250

How often does a new cycle of spermatogenesis begin in the seminiferous tubules?

Every 16 days (D) Signup and view all the answers

What is the main function of the dartos and cremaster muscles in the scrotum?

To raise and lower the testes (C) Signup and view all the answers

What is the structure of a formed sperm composed of?

Head, mid-piece, and tail (B) Signup and view all the answers

What is the primary function of the epididymis in the male reproductive system?

To continue the maturation of sperm (A) Signup and view all the answers

What is the main function of the bulbourethral gland in the male reproductive system?

To add a thick and salty fluid to lubricate the end of the urethra and vagina (C) Signup and view all the answers

What is the hormone responsible for stimulating the release of LH and FSH in the male reproductive system?

GnRH (C) Signup and view all the answers

What is the structure that partially covers the vagina in the female reproductive system?

Hymen (A) Signup and view all the answers

What is the stage of the ovarian cycle concerned with the growth and development of follicles?

Folliculogenesis (A) Signup and view all the answers

What is the approximate length of the epididymis in the male reproductive system?

6 meters (D) Signup and view all the answers

What is the primary function of the dominant follicle during the follicular phase?

To produce more estrogen than other follicles (D) Signup and view all the answers

What is the main reason why only one follicle survives to release an oocyte during ovulation?

Estrogen production (A) Signup and view all the answers

What is the purpose of the fimbriae in the infundibulum of the uterine tube?

To capture the oocyte from the ovary (A) Signup and view all the answers

What happens to the corpus luteum if implantation does not occur within 10-12 days?

It degrades into the corpus albicans (A) Signup and view all the answers

What is the role of the uterine tube in the reproductive process?

To transport the oocyte from the ovary to the uterus (C) Signup and view all the answers

What is the primary function of the corpus luteum?

To produce progesterone (B) Signup and view all the answers

What is the primary function of the areolar gland in the breast?

To lubricate the nipple to prevent chaffing (A) Signup and view all the answers

What is the result of hormone levels falling during the secretory phase of the menstrual cycle?

The endometrial wall is shed, resulting in menses (D) Signup and view all the answers

What is the role of the SRY gene in the development of males and females?

It prompts male development and testosterone secretion (A) Signup and view all the answers

What is the primary function of hormonal birth control?

To manipulate the negative feedback system and prevent FSH and LH production (C) Signup and view all the answers

What is the result of missing a day of hormonal birth control?

Ovulation is triggered (C) Signup and view all the answers

What is the primary function of the mullerian duct in females?

To form the uterus, uterine tubes, and part of the vagina (D) Signup and view all the answers