ala a·la (ā'lə)
n. pl. a·lae (ā'lē)
A winglike or expanded structure or part, such as the external ear.
Ala abbr.
alanine
ALA (ā'ěl-ā')
n.
Delta-aminolevulinic acid; an intermediate in the biosynthesis of hematin formed from glycine and succinyl-coenzyme A.