Acuaria spiralis

Ac·u·a·ri·a spi·ra·lis

(ak'yū-ā'rē-ă spī-rā'lis), A nematode parasite in the proventriculus, esophagus, and sometimes, the intestine, of chickens, turkeys, pheasants, and other birds. [L. acus, needle; Mod. L. spiralis, spiral]