anatomy quiz

The function of the cremaster muscle is to

alter the position of the testes in the scrotal sac with increases in ambient temperature.

The seminal vesicles

are glands that secrete most of the volume of the semen.

The narrow outlet of the uterus that protrudes into the vagina is the ________.

cervix

Of the two functional areas of the blastocyst, the three primary germ layers form from the ________.

inner cell mass

The acrosomal reaction occurs

just before fertilization.

The female homologue of the male scrotum is the

labia majora

Ovulation occurs in response to the release of an anterior pituitary hormone known as ________ hormone.

luteinizing

The glands that produce a thick, yellowish secretion which nourishes and activates sperm are the ________.

seminal glands (vesicles)

The correct sequence of sperm-transporting tubules that transport spermatozoa to the epididymis is the

seminiferous tubule to straight tubule to rete testis to efferent ductule.

The milk-producing cells in the breast are

simple cuboidal epithelial cells in alveoli.

The epithelium lining the vagina is

stratified squamous.

The usual site of embryo implantation is the

uterus

A mature ovarian follicle that is ready to be ejected from an ovary is called a ________.

vesicular (Graafian) follicle

By undergoing meiosis, each primary spermatocyte ultimately gives rise to how many sperm cells?

four

Sperm become motile in the

epididymis

Erection is caused by

erectile bodies filling with blood.

The hormone that promotes a small number of primary follicles within the ovary to grow and mature each month is ________.

follicle-stimulating hormone (FSH)

The ovarian cortex consists of

follicles and connective tissue.

The typical (diploid) cells of the body have 46 chromosomes; how many chromosomes does each gamete have?

23

Tubules that connect testicular lobules with the efferent ductules of the epididymis

Rete testis

Fingerlike placental structures where oxygen and nutrients from the maternal blood supply diffuse into the embryonic blood

chorionic villi

Which of the following organs does not contribute secretion(s) during the male sexual response?

corpus cavernosum