Prostatic ducts
Encyclopedia
The prostatic ducts open into the floor of the prostatic portion of the urethra, and are lined by two layers of epithelium
, the inner layer consisting of columnar and the outer of small cubical cells.
Small colloid
masses, known as amyloid
bodies are often found in the gland tubes.
They open onto the prostatic sinus
.
Epithelium
Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands. Functions of epithelial cells include secretion, selective...
, the inner layer consisting of columnar and the outer of small cubical cells.
Small colloid
Colloid
A colloid is a substance microscopically dispersed evenly throughout another substance.A colloidal system consists of two separate phases: a dispersed phase and a continuous phase . A colloidal system may be solid, liquid, or gaseous.Many familiar substances are colloids, as shown in the chart below...
masses, known as amyloid
Amyloid
Amyloids are insoluble fibrous protein aggregates sharing specific structural traits. Abnormal accumulation of amyloid in organs may lead to amyloidosis, and may play a role in various neurodegenerative diseases.-Definition:...
bodies are often found in the gland tubes.
They open onto the prostatic sinus
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....
.