Epipleu´ra, n. An obliquely backward bony process of a vertebral rib.
Epithe´lium, n. Superficial layer of mucous membrane. Sometimes also the thick tough membrane lining the gizzard.
Epithe´ma, n. Horny excrescence upon the bill.
Epizo´ön, n. An external parasite.
Epizoöt´ic, a. Parasitic among animals.
Erec´tile, a. Susceptible of being raised, as a crest; or capable of swelling and stiffening, as a penis.
Er´ythrism, n. A particular state of plumage characterized by excess of red pigment; it is well shown in Scops asio and other owls. (Compare albinism and melanism.)
Eth´moid, n. One of the cranial bones, in the nasal region.
Etyp´ical, a. Of exceptional character. Tending away from a particular type. Opposed to attypical.
Eusta´chian (tube), a. for n. The air-tube from the fauces to the inner ear.