Bulbourethral gland
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| Bulbourethral gland | |
|---|---|
 | |
| Male Anatomy | |
 | |
| The deeper branches of the internal pudendal artery. (Bulbourethral gland labeled at center left.) | |
| Latin | glandulæ bulbourethrales |
| Gray's | subject #264 1253 |
| Artery | Artery of the urethral bulb |
| Precursor | Urogenital sinus |
| MeSH | Bulbourethral+Glands |
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Overview
A bulbourethral gland (or Cowper's gland) is one of two small exocrine glands present in the reproductive system of human males. They are homologous to Bartholin's glands in females.
Location
Bulbourethral glands are located posterior and lateral to the membranous portion of the urethra at the base of the penis, between the two layers of the fascia of the urogenital diaphragm, in the deep perineal pouch.
They are enclosed by the transverse fibers of the sphincter urethrae membranaceae muscle.
Structure
The bulbourethral glands are compound tubuloalveolar glands, each approximately the size of a pea. They are composed of several lobules held together by a fibrous covering. Each lobule consists of a number of acini, lined by columnar epithelial cells, opening into a duct which joins with the ducts of other lobules to form a single excretory duct. This duct is approximately 2.5 cm long and opens into the urethra at the base of the penis. The glands gradually diminish in size with advancing age.[1]
Function
During sexual arousal each gland produces a clear, viscous secretion known as pre-ejaculate. This fluid helps to lubricate the urethra for spermatozoa to pass through, and to help flush out any residual urine or foreign matter. It is possible for this fluid to pick up sperm, remaining in the urethral bulb from previous ejaculations, and carry them out prior to the next ejaculation.
References
Additional images
 Structure of the penis |
 Male pelvic organs seen from right side. |
 Vertical section of bladder, penis, and urethra. |
See also
cs:Cowperova žláza da:Cowpers kirtel de:Bulbourethraldrüse dv:ބަލްބޯ ޔުރެތުރަލް ގްލޭންޑްfr:Glande de Cowper it:Ghiandole di Cowper he:בלוטות קאופר lt:Kuperio liauka hu:Cowper-mirigyek nl:Cowperse klier ja:尿道球腺simple:Bulbourethral gland sl:Mehurčasta žleza sv:Cowpers körtlar
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
