24 Questions
What is the primary function of Sertoli cells in the testes?
To promote sperm production and eliminate germ cells
What is the term for the failure of the testes to descend into the scrotum before birth?
Cryptorchidism
What is the approximate number of lobules that the tunica albuginea separates the testes into?
300-400
How often does a new cycle of spermatogenesis begin in the seminiferous tubules?
Every 16 days
What is the main function of the dartos and cremaster muscles in the scrotum?
To raise and lower the testes
What is the structure of a formed sperm composed of?
Head, mid-piece, and tail
What is the primary function of the epididymis in the male reproductive system?
To continue the maturation of sperm
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
What is the hormone responsible for stimulating the release of LH and FSH in the male reproductive system?
GnRH
What is the structure that partially covers the vagina in the female reproductive system?
Hymen
What is the stage of the ovarian cycle concerned with the growth and development of follicles?
Folliculogenesis
What is the approximate length of the epididymis in the male reproductive system?
6 meters
What is the primary function of the dominant follicle during the follicular phase?
To produce more estrogen than other follicles
What is the main reason why only one follicle survives to release an oocyte during ovulation?
Estrogen production
What is the purpose of the fimbriae in the infundibulum of the uterine tube?
To capture the oocyte from the ovary
What happens to the corpus luteum if implantation does not occur within 10-12 days?
It degrades into the corpus albicans
What is the role of the uterine tube in the reproductive process?
To transport the oocyte from the ovary to the uterus
What is the primary function of the corpus luteum?
To produce progesterone
What is the primary function of the areolar gland in the breast?
To lubricate the nipple to prevent chaffing
What is the result of hormone levels falling during the secretory phase of the menstrual cycle?
The endometrial wall is shed, resulting in menses
What is the role of the SRY gene in the development of males and females?
It prompts male development and testosterone secretion
What is the primary function of hormonal birth control?
To manipulate the negative feedback system and prevent FSH and LH production
What is the result of missing a day of hormonal birth control?
Ovulation is triggered
What is the primary function of the mullerian duct in females?
To form the uterus, uterine tubes, and part of the vagina
Test your knowledge of male gametes, including sperm and oocytes, and the structure and function of the testes, including the role of the dartos and cremaster muscles. Learn about the tunica vaginalis and tunica albuginea, the two layers of the male gonads.
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