Chapter 22

Sperm cells are stored primarily in the

Undifferentiated spermatogenic cells are called

The last fluid to be expelled from the urethra during ejaculation comes from the

Male reproductive functions are controlled mainly by hormones from the hypothalamus, and

The hormone responsible for the development and maintenance of male secondary sexual characteristics is

The female structure that corresponds to the male penis is the

The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is

About the time ovulation, the anterior pituitary gland releases a relatively large quantity of

The tubular portion of the uterus that extends downward into the upper part of the vagina is the

The hormones mainly responsible for maintaining the uterine wall during the last 5-6 months of pregnancy are

In the menstrual cycle, estrogen functions to ___, whereas progesterone functions to ____.

The amount of testosterone in the blood is increased by

The most commonly used oral contraceptives contain

Which of the following is (are) the most reliable form of contraception?

Which of the following structures are unpaired?

In females, what structure is located immediately anterior to the vagina?

The interstitial cells of the testes produce

The cell commonly called the egg, or ovum, is more correctly called

Fertilization normally occurs in the

The average length of the epididymis is

If the testes fail to descend, a male is infertile because sperm cell formation is prevented by

A Pap smear is used to detect the presence of abnormal cells in the

Following ovulation, a human egg cell can survive approximately

An ectorpic pregnancy occurs when an embryo begins development

One of the more common causes of female infertility is failure of ovulation due to hyposecretion of hormones from the

Which of the following terms is correctly defined?

The hormone commonly measured in a pregnancy test is

The epididymis, coiled on the outer surface of the testis, continues on to become the

Egg cells are transported in the female reproductive tract by the ___, whereas sperm are transported in the male reproductive tract by the____

The structure the sperm enters upon exiting the vas deferens is the