volume 44 issue 4 (december 2010) : 297 - 299
HISTOMORPHOLOGY OF ADRENAL CORTEX (INTERRENAL TISSUE) IN GUINEA FOWL*
1Department of Veterinary Anatomy and Histology, Madras Veterinary College,
Vepery, Chennai- 600 007, India
ABSTRACT
A histomorphological study on the adrenal gland was conducted in guinea fowl of different
post-hatch age groups viz. , day old,2,4,8, and 12 weeks. Tissue pieces were collected and fixed in
10% neutral buffered formalin, Bouin’s fluid, Zenker’s fluid and Orth fixative for routine paraffin
embedding. Sections of 5-6 μm thickness were subjected to H&E and other special stains. The
adrenal cortex was distinguished into two distinct zones, the peripheral subcapsular zone and the
central inner zone. The cortical cells of the peripheral subcapsular zone were large columnar cells,
arranged in a curved fashion to form a loop. The cells of the inner zone formed straight cords. The
cortical cells of cylindrical cords were arranged in double row without enclosing a central lumen.
Four types of cells viz., type-I, II, III and IV were identified in the adrenal cortex
post-hatch age groups viz. , day old,2,4,8, and 12 weeks. Tissue pieces were collected and fixed in
10% neutral buffered formalin, Bouin’s fluid, Zenker’s fluid and Orth fixative for routine paraffin
embedding. Sections of 5-6 μm thickness were subjected to H&E and other special stains. The
adrenal cortex was distinguished into two distinct zones, the peripheral subcapsular zone and the
central inner zone. The cortical cells of the peripheral subcapsular zone were large columnar cells,
arranged in a curved fashion to form a loop. The cells of the inner zone formed straight cords. The
cortical cells of cylindrical cords were arranged in double row without enclosing a central lumen.
Four types of cells viz., type-I, II, III and IV were identified in the adrenal cortex
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Indian Journal of Animal Research
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