Saccular aneurysm

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Saccular Aneurysm

Saccular aneurysm (pronunciation: sak-yuh-lar an-yuh-riz-uhm) is a type of aneurysm that projects from only one side of the blood vessel wall. It is also known as a berry aneurysm due to its round, berry-like appearance.

Etymology

The term "saccular" is derived from the Latin word "saccus," meaning "bag," and the Greek word "aneurysma," meaning "dilation." This reflects the bag-like, bulging shape of a saccular aneurysm.

Description

A saccular aneurysm is a pathological balloon-like dilation occurring in the wall of a blood vessel. It is the most common form of cerebral aneurysm, and it typically occurs at the bifurcations of the large arteries at the base of the brain, known as the Circle of Willis.

Related Terms

  • Aneurysm: A general term for any abnormal bulge or ballooning in the wall of a blood vessel.
  • Cerebral aneurysm: An aneurysm in the cerebrum, the largest part of the brain.
  • Circle of Willis: A circular network of arteries at the base of the brain.
  • Fusiform aneurysm: A type of aneurysm that causes the entire circumference of the artery to bulge.

See Also

External links

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