MAJOR SALIVARY GLANDS TOPOGRAPHY IN RATS AND THEIR RELATION WITH THE SURROUNDING ANATOMICAL TISSUES

Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXII, Issue 2
Written by Bianca MATOSZ, Cristian DEZDROBITU, Cristian MARTONOS, Vlad LUCA, Sidonia BOGDAN, Aurel DAMIAN

The structure of the salivary glands is different depending on the species and diet. The glandular secretion can be serous, mucous or mixed. Within the same order, for instance in rodents, there are dissimilarities between the major salivary glands, even if the diet is similar. In this study, we used five Wistar rats, originating from the University of Medicine and Pharmacy “Iuliu Hațieganu” biobase, in Cluj-Napoca. After inducing neuroleptanalgesia, the method of euthanasia was cervical dislocation and then a stratigraphic dissection was accomplished. We mention that these euthanasia methods are allowed by 2010/63/UE directive of the European Parliament and the Council from September 22nd of 2010, regarding animal protection used for scientific purposes. The external features were assessed and compared to published literature on other similar species. The macroscopic examination revealed that the major salivary glands in rats are similar to those from other species of mammals when referring to the general macroscopic aspect. The parotid gland is localised at the base of the auricular concha, without exceeding the outer ear base, extended distally in the ventral cervical region. The rats’ ventral extremity of the parotid gland faces and ends with a sharp angle, toward the scapular-humeral joint, covering the jugular gutter with this layout. Aboral border of the mandibular gland is covered by ventral extremity of the parotid gland, both mandibular glands being near the external jugular veins. As a location, the mandibular glands in rats reside in the sublaryngeal and subtracheal region. Sublingual glands are located orally from the rostral pole of the mandibular glands, maintaining in a certain way the same layout as the mandibular glands.

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MATOSZ B., DEZDROBITU C., MARTONOS C., LUCA V., BOGDAN S., DAMIAN A. 2016, MAJOR SALIVARY GLANDS TOPOGRAPHY IN RATS AND THEIR RELATION WITH THE SURROUNDING ANATOMICAL TISSUES. Scientific Works. Series C. Veterinary Medicine, Vol. LXII, Issue 2, ISSN 2065-1295, 38-43.


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