Prostate Anatomy

Question 1

The prostate is divided into three glandular zones. What are these zones?

Answer 1

Peripheral zone
Transitional zone
Central zone

Question 2

This zone contains 70% of prostate tissue and is draped around the remainder of the gland like a catcher’s glove holding a baseball.

Answer 2

Peripheral zone

Most prostate cancers arise in the peripheral zone.

Question 3

This zone consists of two small areas of periuretheral glandular tissue.

Answer 3

Transitional zone

Although it contains only 5% of prostatic tissue in the normal young man, it is the site of benign prostatic hypertrophy and may enlarge greatly in the older man.

Question 4

This zone consists of the glandular tissue at the base of the prostate through which course the ducts of the vas deferens and seminal vesicles and the ejaculatory ducts.

Answer 4

Central zone

Question 5

The anterior portion of the prostate is occupied by nonglandular tissue called what?

Answer 5

Anterior fibromuscular stroma

Question 6

The _______ of the prostate is that portion adjacent to the base of the bladder and the seminal vesicles (base to base).

Answer 6

Base

The apex of the prostate rests on the urogenital diaphragm.