Y organn.²

Brit.

/ˈwʌɪ ˌɔːɡ(ə)n/, U.S.

/ˈwaɪ ˌɔrɡ(ə)n/

Forms: Also y organ and with hyphen.

Etymology: translating French organe Y (M. Gabe 1953, in Compt. Rend. CCXXXVII. 111), after X organ n.

Zoology.

An endocrine gland in certain crustaceans which secretes a hormone that causes moulting.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > gland causing moulting

Y organ1959

1959 E. 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.

1965 J. Lee & F. 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.

1973 Nature 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.

This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021).

单词	y organ
释义	Y organn.² Brit. /ˈwʌɪ ˌɔːɡ(ə)n/, U.S. /ˈwaɪ ˌɔrɡ(ə)n/ Forms: Also y organ and with hyphen. Etymology: translating French organe Y (M. Gabe 1953, in Compt. Rend. CCXXXVII. 111), after X organ n. Zoology. An endocrine gland in certain crustaceans which secretes a hormone that causes moulting. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > gland causing moulting Y organ1959 1959 E. 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. 1965 J. Lee & F. 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. 1973 Nature 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. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021). < n.²1959
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Y organn.2

Y organn.²