| 释义 |
gametangium|gæmɪˈtændʒɪəm|
Pl. gametangia. Also gametange.
[mod.L., f. gameta gamete + Gr. ἀγγεῖον vessel.]
The cell or organ in which gametes are produced.
1886Vines in Encycl. Brit. XX. 427/2 In Acetabularia the whole of the protoplasm of the gametangium is not used up in the formation of the gametes. 1889Bennett & Murray Cryptog. Bot. 272 The conjugating bodies..are motile ciliated swarm-spores or zoogametes, produced by free-cell formation in ordinary or in slightly differentiated cells of the filament, hence termed gametanges, their conjugation resulting in the production of a zygosperm. 1952New Biol. XIII. 103 A transverse wall is formed a short distance behind each tip, so dividing each swollen branch into two portions, the distal portion being known as a gametangium. 1964Oceanogr. & Marine Biol. II. 198 Gametangia have hitherto been unknown in the genus Udotea. |