Avian Postovulatory Follicle Homogenate Effect on the Genital Tract Motility
作者:
Karam F.A. Soliman,
Charles A. Walker,
期刊:
Hormone Research in Paediatrics
(Karger Available online 1975)
卷期:
Volume 6,
issue 5-6
页码: 357-365
ISSN:1663-2818
年代: 1975
DOI:10.1159/000178686
出版商: S. Karger AG
关键词: Ruptured follicles;Avian ovaries;Oxytotic substance;Oviposition;Genital tract motility
数据来源: Karger
摘要:
The recently ruptured follicles of the avian ovaries were found to contain an oxytocic substance. The substance was found to be heat-labile, nondialyzable and not extractable by lipid solvents. The crude homogenate stimulated the frequency and amplitude of the chicken infundibulum, uterus and uterovaginal junction, if they were taken from hens 2 h before predicted oviposition. The homogenate was found to induce premature oviposition and to stimulate the uterine contractions of rats treated with progesterone. Uterine tissues taken from estrogen-treated rats either did not respond to the homogenate or were inhibited. Addition of phenoxybenzamine or propanolol did not inhibit the stimulatory effect of the homogenate. It is possible that this factor might be involved in regulating oviposition in the hen.
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