Ampulla
Ampulla
Ampulla (pronounced am-puh-luh) is a term used in medicine to refer to a small, flask-like dilation or expansion in a canal or duct. The term is derived from the Latin word 'ampulla', which means a small, nearly round bottle.
Etymology
The term 'ampulla' is derived from the Latin word 'ampulla', which means a small, nearly round bottle. This is due to the shape of the structure, which resembles a small bottle or flask.
Anatomy
There are several structures in the human body that are referred to as ampullae. These include:
- Ampulla of Vater: A dilation of the main pancreatic duct and the common bile duct, where they join and enter the duodenum.
- Ampulla of the ductus deferens: A dilation of the ductus deferens at the base of the prostate gland.
- Ampulla of the fallopian tube: The widest part of the fallopian tube, where fertilization usually occurs.
- Ampulla of the semicircular canals: A dilation at one end of each of the semicircular canals in the inner ear, which plays a role in maintaining balance.
Related Terms
- Ductus Deferens
- Fallopian Tube
- Semicircular Canals
- Pancreatic Duct
- Common Bile Duct
- Duodenum
- Prostate Gland
External links
- Medical encyclopedia article on Ampulla
- Wikipedia's article - Ampulla
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