| AL | angiographic area of lateral projection |
|---|---|
| ALAO | angiographic area of left anterior oblique projection |
| AMA | against medical advice; alkaline membrane assay; American Management Association; American Medical A... |
| Ao | orifice area |
| AOC | abridged ocular chart; amyloxycarbonyl; anodal opening contraction; area of concern |
| fusion area | The area in and about the macula retinae in which stimulation of noncorresponding retinal points nevertheless results in stereoscopic vision. Synonym: fusion area. (05 Mar 2000) |
|---|---|
| Little's area | An area on the anterior portion of the nasal septum rich in capillaries (Kiesselbach's plexus) and often the seat of epistaxis. Synonym: Little's area. (05 Mar 2000) |
| local area networks | Communications networks connecting various hardware devices together within or between buildings by means of a continuous cable or voice data telephone system. (12 Dec 1998) |