IngentaConnect Biometrical Studies on the Scleral Shelf in Some Domestic Animals

Authors: Abdalla, K. E. H.¹; Hifny, A.²; Aly, K. H.²; Kamel, G.²

Source: Anatomia, Histologia, Embryologia, Volume 34, Supplement 1, December 2005 , pp. 1-1(1)

Abstract:

This work was carried out on the scleral shelf of the eyeball of the donkey, cow, buffalo, camel, sheep, goat, pig and dog. The results of this work shows that the length of the shelf varies in different regions in all studied animals. The dorsal shelf is the longest followed by ventral one, the lateral shelf is the smallest followed by the medial one. The camel has the longest dorsal and ventral shelf followed by donkey, while the buffalo and cow have the smallest ones among the large animals. Among the studied small animals, the dog has the smallest dorsal and ventral shelf followed by pig. However, the small ruminants have the longest ones. On the other hand, the medial and lateral shelves are longest in donkey and smallest in camel. The dog and the small ruminants have the longest medial and lateral shelf of the studied small animals. The camel has the highest value of dorsal and ventral shelf and lowest value in the medial and lateral ones. Therefore the outline of the outer surface of the cornea is highly oval, the reverse results were observed in donkey; in which the cornea has highest degree of circularity followed by cow and buffalo.

Document Type: Research article

DOI: 10.1111/j.1439-0264.2005.00669_2.x

Affiliations: 1: Department of Anatomy, Faculty of Veterinary Medicine, South Valley University, Egypt 2: Department of Anatomy and Histology, Faculty of Veterinary Medicine, Assiut University, Assiut 71526 Egypt.

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