去势对森林蜈蚣（多足纲唇足亚纲）脑腺分泌活动的影响

Effect of gonadectomy on the secretory activity of the cerebral glands in Lithobius forficatus L. (Myriapoda Chilopoda).

作者信息

Joly R

出版信息

Exp Biol. 1984;43(2):109-17.

Abstract

Castrated Lithobius forficatus L. showed increased activity of the cerebral glands which are cephalic neurohemal organs exerting a role in spermatocyte and oocyte growth. This glandular hyperactivity is characterized by higher activity of the Golgi apparatus. The reaction, although comparable in both sexes, is apparently more pronounced after ovariectomy. About 50 days after castration glandular cells showed signs of injury while their activity remained similar or somewhat lower in comparison with controls. It is suggested that the glandular hyperactivity arises from the cessation of negative feedback signals from the gonads. The genital glands could act either directly or indirectly via the brain.

摘要

去势后的欧洲森林蜈蚣显示出脑神经分泌器官——脑腺的活性增加，脑腺在精母细胞和卵母细胞生长中发挥作用。这种腺体功能亢进的特征是高尔基体的活性更高。虽然两性的反应相当，但卵巢切除后这种反应显然更明显。去势后约50天，腺细胞出现损伤迹象，但其活性与对照组相比仍相似或略低。有人认为，腺体功能亢进是由于性腺负反馈信号的停止所致。生殖腺可能直接或通过大脑间接起作用。

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