Anesthetic, epidural
Anesthetic, epidural: An anesthetic injected into the epidural space surrounding the fluid-filled sac (the dura) around the spinal cord. It partially numbs the abdomen and legs and is most commonly used during childbirth.
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- Anesthetic, general
Anesthetic, general: An anesthetic that puts a person to sleep rendering them unconscious.
- Anesthetic, local
Anesthetic, local: An anesthetic that causes loss of feeling in a limited part of the body.
- Anetoderma
Anetoderma: An area of slack “baglike” skin due to a local absence or loss of elastic fibers in the skin. The skin affected by anetoderma often occurs in multiple local areas that typically have distinct borders from normal skin (circumscribed). The skin in these areas is soft, thin, and wrinkled, sometimes with patches that bulge […]
- Aneuploidy
Aneuploidy: A condition in which a person has one or a few chromosomes above or below the normal chromosome number. For example, three copies of chromosome21, which is characteristic of Down syndrome, is a form of aneuploidy.
- Aneurysm
A localized widening (dilatation) of an artery, a vein, or the heart. At the point of an aneurysm, there is typically a bulge. The wall of the blood vessel or organ is weakened and may rupture.