ULTRASTRUCTURE OF THE ESOPHAGEAL GLAND IN ADULT FOWL 1 - ACINAR SECRETORY CELLS | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 2, Volume 31.1, Issue 61, April 1994, Page 19-36 PDF (5.56 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1994.185311 | ||||
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| Authors | ||||
| YOUSRIA A. ABDEL-RAHMAN; A.O. SALEM | ||||
| Abstract | ||||
| The ultrastructure of the esophageal glands was examined in 6 adult fowls of both sexes. The acinar cells were large columnar or p < /strong>yramidal in shap < /strong>e. Abundant mucous secretory granules of variable morphology filling the acinar cells were observed. The secretory granules contain electron dense fine filamentous material with centrally or eccentrally located more electron density core. These secretory granules show a propensity for fusion together forming a mass of secretory material. The processes of synthesizing and developing the secretory granules in RER and Golgi-apparatus have been described. RER and Golgi-apparatus were always appeared compressed and parallel to the lateral border in cells containing large amount of secretory granules. Few mitochondria and free ribosomes were observed. | ||||
| Keywords | ||||
| Esophageal gland; Fowl | ||||
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