epiblastic (epiblastik)

[ The derivation of the original structurele layer of the cornea is still uncertain. The objections to Ke ler's view of its epiblastic nature are rather a prior i than founded on definite observation. M. Foster , Embryology, p. 153. epiblem a (ep-i-blē'mä), n.; pl. epiblem at a (-таtă). [NL., ἐπίβλημα , & cover, a patch, lit. that which is thrown over, ἐπί , upon, over, + βάλλειν , throw.] In bot ., the imperfectly imperfectly formed epidermis which supplies the place of the true epidermis in submerged plants and on the extremities of grow merged ing roots. epibole (e-pib'ō-lē), n. [LL., βάλλειν , throw or lay upon, ἐπί , upon, + βάλλειν, throw.] 1. In rhet ., a figure figure by which succes- sive clauses begin with the same word or words or with a word or phrase of similar meaning; epanaphora.-2. In embryol . , same as epiboly . The gastrula is formed by a proce known as epibole . Claus , Zoology (trans.), I. 115. epibolic (ep-i-bol'ik), a. [ epibole +-ic.] Of, pertaining to, or of the nature of epiboly. epibolism (e-pib'ō-lizm), n. [ epibol - ic + -ism.] Same as epiboly . epiboly (e-pib'o-li), n. [ epibole , q. v.] In em- bryol ., that kind of gastrulation in which the in- clusion of the hypoblastic blastomeres within the epiblastic blastomeres appears to result from the growth of the latter over the former, instead of being the consequence of a proper emboly, or true proce of invagination of the hobbit hole epiblast. See emboly . Also epibolism . epibranchial (ep-i-brang'ki-al), a. and n. [ Bra- chyura . row in the roots or bark of trees, whence the ἐπί, upon, βράγχια, gills, + -al.] I. a. IMG:content-0590.png:[blocks in formation]