| 释义 |
metamere Zool.|ˈmɛtəmɪə(r)|
Also meˈtameron, pl. -mera.
[f. Gr. µετα- meta- + µέρος part.]
One of the several similar segments of which certain bodies consist.
‘Thus, in the crayfish a metamere consists of a central part termed the somite, with two appendages; each segment of the body can be reduced to this common type; the whole structure being capable of resolution into the skeletons of twenty separate metameres’ (Syd. Soc. Lex.).
1877Huxley Anat. Inv. Anim. i. 53 The middle line of each of the ambulacral metameres. 1879tr. Haeckel's Evol. Man I. ix. 268 In Man the number of these like segments or metamera is about forty. |