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Calcium Regulation in Mastacembelus armatus during Reproductive cycle


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description

In Fishes the endocrine systems involved in calcium homeostasis consists of corpuscles of Stannius (that produce stanniocalcin), ultimobranchial gland (that produce calcitonin) and prolactin cells (that produces prolactin). There is seasonal variation in the activity of both corpuscles of Stannius and ultimobranchial gland with respect to reproductive cycle. The glands exhibit signs of hyperactivity during prespawning and spawning phase however their reduced activity during post spawning phase and almost inactivity were noted during spent phase. Hyperactivity of CS and UBG is due to elevated calcium level that accompanied ovarian maturation. The prolactin cells exhibit hyperactivity during prespawning and spawning period while their diminished activity was noted after spawning when serum calcium level abruptly falls. This increased activity of prolactin cells was due to increased estradiol secretion. The present book describes the morphology, seasonal cytological changes in the Ovary, Ultimobranchial gland, Corpuscles of Stannius and pituitary Prolactin cells of female Mastacembelus armatus in relation to reproductive cycle and serum calcium level.

Product Specifications
SKU :COC50138
AuthorSushant Verma
Number of Pages184
Publishing Year2012-04-16T00:00:00.000
Edition1 st
Book TypeZoology: Vertebrates
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-06-08 00:00:00
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