| 单词 |
hemibranch |
| 释义 |
hemibranch Zool.|ˈhɛmɪbræŋk| [f. hemi- + Gr. βράγχια gills.] a. An incomplete gill. b. A fish of the order Hemibranchii, having the branchial apparatus incomplete. Hence hemibranchiate |-ˈbræŋkɪət| a., half-gilled; n., a hemibranch.
1880Libr. Univ. Knowl. (N.Y.) VII. 431 The hemibranchiates..have imperfect gills or branchiae. 1891Nature 17 Sept. 483/2 The spiracular gill of Elasmobranchs should be described as the hyoid hemibranch, and the opercular gill of the higher fishes as the first branchial hemibranch. |

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