| atony | <neurology> A lack of normal tone or strength. Origin: L. Atonia, Gr. Tonos = tension (16 Dec 1997) |
|---|---|
| arterio- | Artery. Origin: L. Arteria, fr. G. Arteria, a windpipe, an artery. (05 Mar 2000) |
| arterio-arterial fistula | Abnormal communication between two arteries. It may result from injury or occur as a congenital abnormality. (12 Dec 1998) |