Abdo´men or Ab´domen, n. Belly; part of gastræum between sternum and anus. (63.)
Abdom´inal, a. Pertaining to the belly.
Abduc´tion, n. Act of carrying a limb away from the axis of the body. Opposed to adduction. Muscles so acting are abductors.
Aber´rant, a. Deviating from ordinary character.
Abnor´mal, a. Of highly unusual, extraordinary character; deformed; monstrous.
Abor´tive, a. Suppressed; remaining or becoming imperfect. The nostrils of the cormorant are abortive.
Acar´ides, n. pl. Certain external parasites.
Accip´itrine, a. Hawk-like; belonging to Accipitres.
Acclimatiza´tion, n. Naturalization, with reference to the effect of a new country upon the economy.
Acetab´ulum, n. Pelvic cavity for reception of head of femur.