Exam 20: Reproduction

Epiphyseal growth in males is stimulated by estrogen.

Testosterone,not DHT,stimulates embryonic development of

The role of melatonin in puberty of humans is well established and critical.

Viagra works by blocking ________________ in order to raise cGMP concentration and promote vasodilation of vascular smooth muscle of the penis to produce an erection.

A fertilized egg is called a(n)

The movement of semen into the urethra is called

The ability of a cell to give rise to an entire organism if implanted in a uterus is termed as

Treating a male fetus with antibodies to DHT would prevent development of the epididymides.

During the first trimester of pregnancy,the ovaries are active endocrine glands.

Ovulation occurs around day 14 of the ovarian cycle.

Sertoli cells are stimulated by __________,while Leydig cells are stimulated by ________.

Synthetic analogues of GnRH are useful in treating benign prostatic hyperplasia and endometriosis.

Blood within the umbilical ___________ contain(s)high concentrations of fetal waste products.

What is it called when a mature follicle ruptures and ejects the oocyte into the uterine tube?

Dihydrotestosterone is produced by the action of the enzyme 5 alpha-reductase on testosterone.

Infants that are breastfed receive which of the following from the mother?

Apoptosis of T lymphocytes requires that Sertoli cells produce

A follicle that does not complete development as a graafian follicle will

Genomic imprinting allows for differing expressions of an allele.

The correct order of the four phases of sexual response in both sexes would be