organs and anatomic structures of the male reproductive system

Flashcards covering definitions, anatomy, and etymology of male reproductive system terms.

What is the vas deferens, and what is its alternate name?

It is the duct (tube) carrying sperm from the epididymis to the urethra; it is also called the ductus deferens.

What structures are enclosed along with each vas deferens inside the spermatic cord?

Nerves, lymphatics, arteries, and veins.

How is urination prevented during intercourse according to the text?

A circular muscle constricts during intercourse to prevent urination.

What are the seminal vesicles, and what do they secrete?

Two accessory glands located posterior to the base of the bladder that open into the vas deferens; they secrete a thick fluid that forms part of the semen.

What is the prostate gland, and what role does its secretion play?

A walnut-shaped gland that encircles the proximal section of the urethra; it secretes a fluid that aids in the movement of the sperm and ejaculation.

From what Greek words is the term "prostate" derived, and what is its anatomical meaning?

It is derived from the Greek "pro" (meaning before) and "statis" (meaning standing or sitting), anatomically meaning the gland standing before the bladder.

What is semen composed of?

Sperm, seminal fluids, and other secretions.

What is the scrotum, and where is it anatomically positioned?

A sac containing the testes and their corresponding epididymides (from which each vas deferens begins); it is suspended on both sides of and posterior to the penis.

What is the penis defined as?

The male organ of urination and coitus (sexual intercourse).

What is the glans penis?

The enlarged tip on the end of the penis.

What is the prepuce?

A fold of skin covering the glans penis in uncircumcised males (foreskin of the penis).

What are genitalia, and what is another common term for them?

Reproductive organs (male or female), including internal and external reproductive organs; also called genitals.

What are gonads?

Primary reproductive organs; testes in males, ovaries in females.