PROSTAGLANDINAL EFFECT ON THYROID GLAND RELATED TO REPRODUCTION IN THE FISH,CYPRINUS CARPIO ( L. )
Author(s):
Dr. Veena Mahajan
Keywords:
Colloid, prostaglandin, resorption vacuole, reproductive physiology, spawning reflexes.
Abstract
Prostaglandins are a class of fatty which is a potent sex attractant.It plays an important role in ovulation, luteal function, implantation and maintenance of gestation. Thyroid gland has a definite role in the reproductive physiology. Prostaglandin was injected 1.5ml/kg body weight once in a week for six weeks intramuscularly in the fish, Cyprinuscarpio. It has been observed that due to prostaglandin, the follicular epithelial cell height of thyroid is increased remarkably as thyroid follicles are filled with colloid and some showed resorption vacuoles along the epithelial lining and thyroid follicles activity is enhanced. Thus, it had been concluded that prostaglandin is an inducer of spawning reflexes in the fish, Cyprinuscarpio that induces gonadal maturity as well as enhanced thyroid follicular activity resulting in early breeding.
Article Details
Unique Paper ID: 152381

Publication Volume & Issue: Volume 6, Issue 11

Page(s): 770 - 774
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