variant of before a vowel:
Variant of acro-.
acral acral ac·ral (āk’rəl) adj. Of, relating to, or affecting peripheral parts, such as limbs, fingers, or ears.
acrania acrania a·cra·ni·a (ā-krā’nē-ə, ə-krā’-) n. Congenital absence of all or a part of the skull. a·cra’ni·al adj. Historical Examples Hence we may call it after the acrania as well as after the Tangles. The History of Creation, Vol. II (of 2) Ernst Haeckel It is absent as a distinct gland in the acrania and […]
a chemotactic substance, identical with cAMP, secreted by myxamebas of cellular slime molds and attracting other myxamebas to aggregate and form a pseudoplasmodium.