Comparative Histological Study on Lingual Glands of Some Mammals
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 8
Abstract
Tongue is a mobile muscular organ whose lubrication is maintained by the secretion of salivary glands .Salivary glands located on the posterior pharyngeal part of tongue were described as serous (Von Ebner glands) and mucous (Weber gland) by Triantafillou ( 2001) 1 (Triantafillou A, Fletcher D and Scott J (2001). Mucins, the main components of mucus, are present in the secretion of mucus gland and it forms the protective layer on oral mucosal surfaces. This mucin is responsible for maintenance of lubrication and hydration of the surfaces (Proctor, 2016)2 .Proctor GB (2016). In general, salivary glands are adapted to the necessities of each species of the animal kingdom. In view of this context we conducted a comparative study of lingual glands of five different vertebrates- albino rat, guinea pig, rabbit, goat and dog. We collected pieces of tissue from different parts of tongue, prepared histological sections with H &E stain and study under light microscope for its histological details. No anterior lingual gland was found in any animal under study. The serous glands were found in the vallete and foliate papillary region mostly in the intermuscular area in all the animals under study. While posterior a lingual gland of Weber was confined to the pharyngeal part of tongue, mostly in the intermuscular interval in all the animals. The posterior lingual glands were purely mucus in albino rat and guinea pig .The serous gland of von ebner were purely serous in rabbit but seromucus in the rest of animals
Authors and Affiliations
K. K. P. Singh, Kumari Sandhya
Keywords
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