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Medical Term:


Pronunciation: pros'tat

Definition: A chestnut-shaped body, surrounding the beginning of the urethra in the male, which consists of two lateral lobes connected anteriorly by an isthmus and posteriorly by a middle lobe lying above and between the ejaculatory ducts. Structurally, the prostate consists of 30–50 compound tubuloalveolar glands among which is abundant stroma consisting of collagen and elastic fibers and many smooth muscle bundles. The secretion of the glands is a milky fluid that is discharged by excretory ducts into the prostatic urethra at the time of the emission of semen.

Synonym(s): prostataTA, glandula prostatica, prostate gland

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