The prostatic ducts (or prostatic ductules) open into the floor of the
prostatic portion of the urethra
The prostatic urethra, the widest and most dilatable part of the urethra canal, is about 3 cm long.
It runs almost vertically through the prostate from its base to its apex, lying nearer its anterior than its posterior surface; the form of ...
, and are lined by two layers of
epithelium
Epithelium or epithelial tissue is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. It is a thin, continuous, protective layer of compactly packed cells with a little intercellul ...
, the inner layer consisting of columnar and the outer of small cubical cells.
Small
colloid
A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid, while others extend ...
masses, known as
amyloid
Amyloids are aggregates of proteins characterised by a Fibril, fibrillar morphology of 7–13 Nanometer, nm in diameter, a beta sheet (β-sheet) Secondary structure of proteins, secondary structure (known as cross-β) and ability to be Staining, ...
bodies are often found in the gland tubes.
They open onto the
prostatic sinus
On either side of the urethral crest is a slightly depressed fossa, the prostatic sinus, the floor of which is perforated by numerous apertures, the orifices of the prostatic ducts from the lateral lobes of the prostate
The prostate is both ...
.
See also
*
Prostate
The prostate is both an Male accessory gland, accessory gland of the male reproductive system and a muscle-driven mechanical switch between urination and ejaculation. It is found only in some mammals. It differs between species anatomically, ...
References
External links
* - "The Male Pelvis: The Prostate Gland"
Prostate
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