Physocephalus sexalatus

Phy·so·ceph·a·lus sex·a·la·tus

(fī'sō-sef'ă-lŭs sek'să-lā'tŭs),

A small species of spiruroid nematodes (family Spiruridae) found in the stomach of pigs, horses, camels, rabbits, and hares; worldwide in distribution, and especially prevalent in hogs.

[G. physa, bellows, + kephalē, head]

Physocephalus

a spirurid nematode in the family Spirocercidae. Causes gastritis manifested by anorexia, increased thirst, loss of weight and rarely death.

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Physocephalus cristatus

found in the dromedary.

Physocephalus sexalatus

found in the stomach of the pig.