Letter A

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ANGIOEDEMA

An abnormal swelling of the blood vessels in tissue.

ANGIOEDEMA (neck)

A swelling of the tissues of the neck.  May be a sign of an underlying infection or a drug reaction.  This could cause troubles with breathing as the airway could be blocked.

ANGIOMATOSIS

A disease or process related to the blood vessels.

ANGIOMYOLIPOMA

Non-cancerous growth in the kidney containing fat and blood vessels. When they become large, they can sometimes result in bleeding, which can be a serious condition.

ANGIOPHILLIC

Of or pertaining to the blood vessel.  It usually used to describe disease that affects the blood vessels.

ANGULAR MARGINS

This refers to jagged contour of a mass. This Is a descriptor for a suspicious mass.

ANGULATION

Forming an angle.  Usually used in reference to a broken bone, where two broken pieces form an angle where they meet.

ANTERIOR

Front part of something.

ANTERIOR CEREBRAL ARTERY

The large blood vessel located near the front of the brain.  It delivers blood and nutrients to the brain tissue.

ANTERIOR COMMUNICATING ARTERY

A small blood vessel located at the bottom of the anterior cerebral artery.  It is a bridge where the blood can cross from left to right and right to left.  Aneurysms, or abnormal pouches of the blood vessels, can occur here.