英语词汇“tropholecithus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

† tropholecithus n. [ < tropho- comb. form + ancient Greek λέκιθος yolk (see lecithin n.), after German Tropholecithus (Haeckel, 1875 or earlier)] Obsolete rare (Haeckel's name for) the part of the yolk of a meroblastic ovum which serves a purely nutritive function; cf. morpholecithus n.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk > types of yolk

germ yolk1849

archiblast1876

parablast1876

tropholecithus1879

1879 tr. E. Haeckel Evol. Man I. viii. 216 The nutritive yolk (vitellus nutritivus, or tropholecithus [Ger. Vitellus nutritivus oder Tropholecithus])..is a mere appendage of the true egg-cell, and contains hoarded food-substance,..so that it forms a sort of storehouse for the embryo in the course of its evolution.

单词	tropholecithus
释义	> as lemmas tropholecithus † tropholecithus n. [ < tropho- comb. form + ancient Greek λέκιθος yolk (see lecithin n.), after German Tropholecithus (Haeckel, 1875 or earlier)] Obsolete rare (Haeckel's name for) the part of the yolk of a meroblastic ovum which serves a purely nutritive function; cf. morpholecithus n. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk > types of yolk germ yolk1849 archiblast1876 parablast1876 tropholecithus1879 1879 tr. E. Haeckel Evol. Man I. viii. 216 The nutritive yolk (vitellus nutritivus, or tropholecithus [Ger. Vitellus nutritivus oder Tropholecithus])..is a mere appendage of the true egg-cell, and contains hoarded food-substance,..so that it forms a sort of storehouse for the embryo in the course of its evolution. extracted from tropho-comb. form < as lemmas
随便看	unfevered unfew unfibrous unfickle unfictitious unfiery unfight unfighting unfigurate unfigurative unfigured unfilamentous unfilched unfiled unfilial unfilially unfilialness unfiling unfill unfillable unfilled unfilleted unfilling unfilm unfilmable

> as lemmas