Duct, a.. Any tube for conveyance of an animal product; as oviduct, sperm-duct, lachrymal duct.
Duod´enal, a. Pertaining to the duodenum.
Duod´enum, n. A short portion of the upper intestine next to the gizzard, receiving the pancreatic and hepatic secretions.
Du´ra Ma´ter, n. Outer membranous investment of the brain.
Dusk´y, a. Of any undefined dark color.
E.
Eared, a. Having lengthened or highly colored auricular or other feathers on the side of the head. Eared grebe; long-eared owl.
Ec´dysis, n. Moult; the shedding and renewal of plumage.
Econ´omy (also written œconomy), n. Physical or physiological disposition. (Literally, regulation of a household.)
Ecto- (in composition). Outer.