The Prostate Gland

Apex

Inferior portion of the prostate gland, which is located superior to the urogenital diaphragm

Base

Superior portion of the prostate gland which is located below the inferior margin of the urinary bladder

Corpora amylacea

Calcification commonly seen in the inner gland of the prostate

Eiffel Tower sign

Shadowing created by calcification in the area of the urethra and verumontanum

Ejaculatory duct

Duct that passes through the central zone and empties into the urethra, originates from the combination of vas deferents and the seminal vesicle

Exogenous calculi

Calculi found within the urethra

Endogenous calculi

Calculi formation within the substance of the prostate

Seminal vesicles

A pair of tubular glands that extend from outpouching of the vas deferents

Surgical capsule

Demarcation between the inner gland and the outer gland, which normally appears hypoechoic

Vas deferens

Reproductive duct that extends from the epididymis to the ejaculatory duct

Verumontanum

A longitudinal ridge within the prostate urethral wall where the orifices of the ejaculatory ducts are located on either side