| 单词 | Physophora |
| 释义 | ‖ Physophora Zool.|faɪˈsɒfərə|
[mod.L., f. Gr. ϕῦσα bladder + -ϕορος bearing, borne.]
A genus of oceanic hydrozoa, the species of which float by means of numerous vesicular organs. So ‖ Physophoræ pl. (sometimes Physophora), a suborder or division of Siphonophora (an order of Hydrozoa Craspedota), having the proximal end modified into a pneumatophore or float; phyˈsophoran a., of or pertaining to the Physophoræ; n., a member of this division; also physophore |ˈfaɪsəfɔə(r)|. ‖ Physoˈphoridæ pl., the family containing the genus Physophora; physophorous |faɪˈsɒfərəs| a., of the nature of the Physophoræ, having pneumatophores or swimming-bells (Mayne 1858).
1869tr. Pouchet's Universe (1871) 13 At other times it is owing to..the *Physophora, trailing their tresses all spangled with stars like those of Berenice in the firmament.
1870Hartwig Sea & Wond. xv, The Hydrostatic Acalephæ, or *Physophoræ..were formerly supposed to be a special class of animals, but have been proved by Sars and other naturalists to be merely alternating generations of the bell-shaped Acalephæ.
1888Rolleston & Jackson Anim. Life 774 In the *Physophores Forskalia and Agalma the single ovum is arrested in the endoderm, and surrounded by the spadix.
1860H. Spencer in Westm. Rev. Jan. 103 In the *Physophoridæ, a variety of organs similarly arise by transformation of the budding polypes. 1878tr. Gegenbaur's Comp. Anat. 97 The greater development of these bladders, which in most Physophoridæ are rather small. |
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