Part 48

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.

Endomesoderm: the inner layer formed by an invagination of the middle portion of the primitive band of the embryo, and from which the endoderm and mesoderm are subsequently differentiated.

Endophytic: living within plant or tree tissue, as borers or miners.

Endoskeletal: relating or referring to the endoskeleton.

Endoskeleton: applied to those chitinous processes extending inward into the body cavity from the body wall and serving as attachments for muscles.

Endosternite: that part of the apodeme arising from the intersternal membrane.

Endothorax: the internal framework or processes of the thorax.

Endotoky: is applied to that form of reproduction where the eggs are developed within the body of the mother; see exotoky.

Endotrachea: the inner surface or lining of the trachea: see intima.

Enervis: applied to wings without veins of any kind.

Engraved: see exsculptus.

Ensiform: sword-shaped: two-edged, large at base and tapering to the point: see anceps.

Entad: extending inwardly from without.

Ental: referring to the centre of the body cavity.

Enteric: relating to the digestive canal or enteron.

Enteron: the digestive canal as a whole; a general term.

Entire: with an even unbroken margin: said of wings when they are not divided or cut into.

Entoderm: the innermost germ layer of the embryo, from which are derived the epithelium of the alimentary canal and accessory structures: = endoderm and hypoblast.

Entognathous: see entotrophous.

Entoloma: the inner margin of the wings.

Entomogenous: growing in or on an insect: e.g. fungi.

Entomography: the description of an insect or of its life history.