Undifferentiated spermatogenic cells are called:
Copy of Undifferentiated spermatogenic cells are called:
The hormone responsible for the development and maintenance of male secondary sexual characteristics is:
The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is:
The tubular portion of the uterus that extends downward into the upper part of the vagina is the:
Meiosis occurs during:
Both spermatogenesis and oogenesis.
In spermatogenesis, meiosis results in the formation of:
Four sperm cells with 23 chromosomes each.
In the female reproductive cycle, menstrual flow occurs when the concentrations of:
Estrogen and progesterone are low
The tightly coiled tube that leads to the vas deferens is the:
Which of the following is an egg cell that can be fertilized to produce a zygote?
The endometrium is the inner layer of the:
A Pap smear is used to detect the presence of abnormal cells in the:
Women athletes sometimes experience disturbances in their menstrual cycles because of:
decreased synthesis of estrogens
Many women should have their breasts examined with mammography at regular intervals after the age of:
The secretions of the prostate gland function to neutralize acidic semen.
The movement of an egg down a uterine tube is aided by ciliary action.
FSH stimulates a primordial follicle to start the maturation process.
A blood PSA test is used to detect:
Abnormal cell growth in the prostate.
After a vasectomy, a male will no longer produce semen.
Sperm development is negatively affected at body temperature so the sperm develop in the scrotum which a few degrees cooler than the rest of the body.
A sudden surge in the hormone luteinizing hormone at approximately day 14 causes ovulation.
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