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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2010 Vol.29 No.5

The Histological Study on Hypophysis of the Lizard, Physignathus cocincinus
Author of the article:LIU Zai-qun, HUANG Xi-wen*, ZHENG Chun-zhen, SONG Hai-yan, ZHENG Lei
Author's Workplace:(College of Life Sciences, Anhui Normal University, Wuhu, Anhui Province 241000, China)
Key Words:Physignathus cocincinus; hypophysis; histology
Abstract:These methods, including HE staining, Nissl staining, and Holmes silver staining, were employed to reveal the histological structure of each part of the hypophysis gland of the lizard, Physignathus cocincinus. There were two major portions in the hypophysis, the adenohypophysis and neurohypophysis. The hypophysis of the lizard belonged to the dorsal-pelvic type. Results of HE staining showed that the adenohypophysis cells could be divided into three types: eosinophilic cells, basophilic cells, and chromophobe cells. Additionally, the ependymal cells and the hypophysis cleft of neurohypophysis were also observed. Results of Nissl staining showed there were Herring body of neurohypophysis and the pars intermedia cells of adenohypophysis which were compactly arranged. Results of Holmes silver staining revealed the existence of the unmyelinated nerve fiber of neurohypophysis and the vascular of hypophyseal portal system. The connection of the hypophysis cleft with aqueduct in the optic lobe was first reported here.
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