endopodite (endopod it)

[ IMG:content-0471.png:[blocks in formation] A. Developed Endopodite, or ordinary ambulatory leg of the crawfish as a thoracic appendage: ab, the whole exte extent of of the endopo with seven joints; odite; 2, bas i podite, 3, ischiopodite; 4, meropodite; 5, carpopodite; pro podite; 7, dactylopodite; e, fila ments borne on coxopodite; d, an epipodite. B and C, appendages respectively of first and second abdominal somite of the male: ad, en do podite; c, exopodite. thus fully developed, it consists of 7 joints. These are the coxopodite, ba sipodite, ischiopodite, meropodite, carpopodite, pro podite, and dactylopodite, named from base to tip of the leg, in Milne-Edwards's and Huxley's nomenclature. The nippers or chelæ at the end of such a developed endopodite are the sixth and seventh of its joints, namely, the pro podite and its movably apposable dactylopodite. endopod i tic (en-dop-o-dit'ik), a. [ On the other hand, the inner or endopod i tic division of the antenna becomes immensely lengthened, and at the same time annulated, while the outer or exopoditic division remains relatively short, and acquires its characteristic scale-like form. Huxley , Crayfish, p. 218. Endoproct a (en-do-prok'tä), n. pl. [NL., neut. pl. of endoproct us: see endoproct ous.] A division of the Polyzoa, established by Nitsche, having the anus inside of the circle of tentaeles: opposed to Ectoproct a. In the Endoproct a , the endocyst is composed of only one layer, and the endoderm of the alimentary canal has no second or external coat. The per i visceral cavity, or interspace between the endoderm and ectoderm, is occupied by ramified mesodermal cells. Huxley , Anat. Invert., p. 571. endoproct ous (en-do-prok'tus), a. [ en doproctus, ένδον , within, + πρωκτός , anus.] Pertaining to or having the characters of the Endoproct a : as, an endoproct ous polyzoan.