Ootype

O´o`type

(Zool.) The part of the oviduct of certain trematode worms in which the ova are completed and furnished with a shell.

ootype

[′ō·ə‚tīp] (invertebrate zoology) In trematodes and tapeworms, a thickening of the oviduct near the ovaries.

ootype

o·o·type

(ō'ō-tīp), The central portion of the ovarian complex of trematodes and cestodes in which fertilization takes place and the vitellarian or eggshell materials are coated over the egg; this occurs in a rapid, stamping-mill sequence, after which eggs pass into the uterus for tanning of the shell, storage, and passage toward the genital pore. [G. ōon, egg, + typos, stamp, print]

随便看

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。