| 单词 |
arthrobranch |
| 释义 |
arthrobranch, n. Zool.
Brit. |ˈɑːθrə(ʊ)braŋk|, U.S. |ˈɑrθroʊˌbræŋk|
[‹ arthro- comb. form + -branch comb. form. Compare earlier arthrobranchia n.]
In some crustaceans: a gill attached to the articulating membrane of the basal joint of a thoracic appendage with the body.
1888G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 182 The second maxilliped bears an anterior arthrobranch only. 1907Amer. Naturalist 41 266 The gills were larger and with more side filaments..but were suddenly reduced upon the fourth pereiopod so that the anterior arthrobranch had but a few filaments and the posterior none. 1939T. L. Green Pract. Animal Biol. i. 56 On each side of the body the seventh appendage has one arthrobranch, but the remainder of the series each bears two arthrobranchs. 1998Invertebr. Biol. 117129 Setae with a complex, rasping microstructure arise from papillae..and extend up between the inner layer of arthrobranch and outer layer of podobranch gills. |
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