Journal of Environmental Biology

Structure of immune organ in edible catfish, Mystus gulio

B. Deivasigamani*

*sigamani_bd@rediffmail.com

CAS in Marine Biology, Annamalai University, Parangipettai-608 502, India

(Received: September 28, 2005 ; Revised received: March 17, 2006 ; Accepted: April 28, 2006)

Abstract: The light microscopic study describes the anatomy and histomorphology of head-kidney in bagrid catfish, Mystus gulio. Showing numerous lymphocytes, interrenal cells, reticular cells, postcardinal vein, blood sinuses and melanomacrophage centers.

Key words:   Head-kidney, Lymphocytes, Interrenal gland, Melanomacrophage, Mystus gulio

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