| 单词 |
Y organ |
| 释义 |
Y organ Zool. Also y organ and with hyphen. [tr. F. organe Y (M. Gabe 1953, in Compt. Rend. CCXXXVII. 111), after X organ.] An endocrine gland in certain crustaceans which secretes a hormone that causes moulting.
1959E. Scharrer in E. Gorbman Compar. Endocrinol. 239 The final common path for the resulting decision to molt is represented by the neurosecretory cell which presumably activates the Y-organ. 1965Lee & Knowles Animal Hormones xi. 137 The Y organ is located in the antennary segment of those species which have a maxillary excretory organ, and in the second maxillary segment of those which have an antennary excretory organ. 1973Nature 9 Mar. 133/2 An insect does not enter premoult if its thoracic glands have been removed, nor a crustacean if its y-organs have been removed. |

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