Angioplasty

Reconstitution or reopening of a blood vessel. May involve balloon dilation, mechanical stripping of the inside of the blood vessel, forceful injection of an elastic filamentous protein, or placement of a stent.

Anorexia

An eating disorder characterized by loss of appetite or total aversion to food. Anorexia nervosa is characterized by a distortion of body image and intense fear of gaining weight, causing emaciation and a lack of menstruation among girls and women, and extreme eating...

Anterior

Pertaining to being in front of another structure – toward the front of the body. Anterior pituitary: The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by the anterior pituitary influence growth, sexual...