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RETICULAR EPITHELIUM AND UNDERLYING HIGH ENDOTHELIAL VENULES OF HUMAN NASOPHARYNGEAL AND PALATINE TONSILS: A COMPARATIVE HISTOLOGICAL STUDY

Dr. Sonia Irshad, Dr Ayesha Shabeer, Dr. Zafar Ullah Khan, Saad Javaid.

Abstract: Background: The tonsils are a significant structure for immunological capacities and are made out of nasopharyngeal and palatine tonsils. They bear a shifting level of antigenic affront. Objective: To look at the reticular epithelium and basic high endothelial venules of human nasopharyngeal and palatine tonsils. Material and Methods: This was relative cross-sectional research, led in Mayo Hospital, Lahore from February 2018 to January 2019. Thirty examples every one of human nasopharyngeal, right palatine and left palatine tonsils were gathered by accommodation examining system. Haematoxylin and eosin recoloured paraffin areas were inspected for patches of the reticular epithelium. The separation between the patches was estimated and high endothelial venules in the subepithelial compartments were determined. Results: The reticular epithelium had the same structure in the two tonsils. The separation between two patches was (181.18 ± 17.83) tim in nasopharyngeal and (726.01 ± 48.89) µm in palatine tonsils. The research yielded noteworthy factual contrast (P=0.000). The mean includes of high endothelial venules in lymphoid compartments underneath these patches of nasopharyngeal and palatine tonsils were (2.19 ± 0.1) and (1.85 ± 0.12) separately with no significant factual contrast (P=0.075). Conclusion: The comes about suggested that regardless of the way that the level of reactivity of reticular epithelium in the two sorts of tonsils could be equivalent, however, the nasopharyngeal tonsil may react to antigenic lift all the more rapidly when contrasted with palatine tonsil by morals of more visit reticulation of epithelium on mucosal surface of past contrasted with a short time later.

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