Empodium: Diptera; the small process between the pulvilli: in Coleoptera; the bifid pseudotarsi between the claws: used also as = pulvillus; and see arolium, onychium, palmula, paronychium, plantula, pseudonychium and pulvillus.
Enarthrosis: an articulation like a ball and socket joint.
Encephalon -um: the brain, or that part of the head containing it.
Encircled: ringed; margined round about.
Endemic: occurring normally where found: native, not introduced.
Endocardium: the inner lining membrane of the heart.
Endochorium: the layer of the allantois that lines the chorium; the inner layer of the chorium.
Endocranium: the inner surface of the cranium.
Endoderm: the inner layer of the blastoderm in the embryo, giving origin to the mid-intestine and other visceral organs: see entoderm.
Endolabium: the inner or mouth surface of the labium: the hypopharynx when that is well developed.