Abstract
The aim of this study was to investigate the morphological& histological properties of the female Duck (Anas platyrhynchos) adrenal gland in babilon.For this purpose, ten adrenals were collected from five adult female ducks.The ducks have paired glands located in the abdominal cavity at the anterior end of the kidneys.The shape of right gland is semi-circularwhile the left elongated or triangular in shape. The mean weight of the right adrenal gland of duck was 0.39g while the left was o.41g. The relative volume of the components remained essentially the same in both glands. The mean values of long axis of left adrenal gland 15.46mm and the diameter of right gave mean values 11.30mm.The adrenal cortex is subdivided into three zones. The outermost zone was formed as zona glomerulosa. It contained prismatic cells that formed irregular clusters or cords and contained lipid vacuoles. The second zone is zona fasciculata appeared foamy. The zona reticularis appeared as irregular cords and smaller than other two zones of cortex. Medulla. The adrenal medulla was about one quarter of the area of the gland. The chromaffin cells in irregular clusters,. Epinephrine-storing cells (E-cells) were more numerous and smaller than norepinephrine-storing cells (NE-cells). Both chromaffin cells contained a single large spherical nucleus
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