| ANA | extinct small freshwater jawless fish usually having a heterocercal tail and an armored head |
|---|---|
| ANA | extinct order of jawless vertebrates |
| ANA | muscular action of the alimentary tract in a direction opposite to peristalsis |
| ANA | one species: rose of Jericho |
| ANA | small gray Asiatic desert plant bearing minute white flowers that rolls up when dry and expands when moist |
| ANA | compound lens or lens system designed to be free of astigmatism and able to form approximately point images |
| ANA | pertaining to a lens or lens system free of astigmatism (able to form point images) |
| ANA | a lens designed to correct astigmatism |
| ANA | cause to join or open into each other by anastomosis, as of blood vessels |
| ANA | come together or open into each other, as of blood vessels |
| ANA | a natural or surgical joining of parts or branches of tubular structures so as to make or become continuous |
| ANA | of or relating to or exhibiting anastomosis |