COMPARATIVE MORPHOLOGICAL STUDIES ON LYSSA IN CAMEL AND CARNIVORES | ||||
| Mansoura Veterinary Medical Journal | ||||
| Article 45, Volume 17, Issue 2, June 2016, Page 1-11 | ||||
| DOI: 10.21608/mvmj.2016.129860 | ||||
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| Author | ||||
| Shoaib M.B. | ||||
| Abstract | ||||
| Conformist macroscopic and microscopic methods were used to reveal the morphological differences of the lyssa in carnivores (dogs and cats) and camel .Six heads of adult healthy dogs, cats and camels, of both sexes were used as materials. In the dog the lyssa, pinkish white colored, was more or less straight in its course. In the cat the lyssa, yellow colored, had a helical appearance and its edge facing the oral cavity became sharp. The whole body of the cat’s lyssa was buried among the intrinsic lingual muscles. In the dog, although aboral, two thirds of the lyssa were squeezed among the intrinsic lingual muscles, its cranial third was placed just under the mucosa to protrude slightly into the oral cavity. In carnivores, the whole body of the lyssa was determined to have been formed by the nearly adipose tissue in which occasional striated muscles existed. Moreover, in the middle third of the dog’s lyssa, dense striated muscle fibers were seen dorsally to the adipose tissue, and we also noticed with interest that the lyssa sheath embracing this part contained few muscle spindle-like structures. It was of interest that in the cat a pyramidal rod encircled by a fine capsule of connective tissue was attached to the ventral edge of the cranial third of the lyssa. , | ||||
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