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Articles by Hikmet Altunay
Total Records ( 2 ) for Hikmet Altunay
  Tolunay Kozlu , Yesim Akaydin Bozkurt , Hikmet Altunay and Ebru Karadag Sari
  The aim of the present study was to demonstrate the histological and histochemical structure of the Harderian gland of the osprey. The Harderian gland of the osprey (Pandion haliaetus) is a tubuloalveolar gland. The gland lumen was lined by columnar epithelial cells of varying height which were filled with secretory vesicles and by dark cells found among these cells. It was observed that the secretion was produced in the corpus glandulae and was extracted by primary and secondary ducts. In addition, plasma cells were present in interlobular trabeculae. Histochemical stainings which were performed to determine the character of the glandular secretion revealed that the majority of the secretory cells contained only acidic mucins whilst the remaining secretory cells contained both neutral and acidic mucins. Furthermore, it was observed that some cells of the primary and secondary ducts epithelium had secretory vesicles containing only neutral mucin. The presence of reticulum fibres was demonstrated in the interlobular trabeculae.
  Tolunay Kozlu and Hikmet Altunay
  The aim of this study was to present the light and electron microscopic structure of the Coturnix coturnix harderian gland. The quail harderian gland was a single lobe of glandular tubuloalveolar profiles with columnar epithelial cells of varying heights. The secretory cells contained abundant mitochondria and well-developed rough endoplasmic reticulum and varying numbers of secretory vesicles in their cytoplasm (type I). These cells exhibited apically located microvilli. The secretion was collected by the ducts of harderian gland which were generally lined by a single layer of epithelium varying from cuboidal to columnar. The mode of secretion of the quail harderian gland was of holocrine and the secretory cells reacted positively with PAS. Myoepithelial cells were present in the basal region of secretory cells. The plasma cells were observed in the subepithelial region of the gland both among the corpus glandulae and in the connective tissue between the ducts. No difference was observed between sexes.
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