Histoanatomical study of lens and ciliary body in one- humped camel eye
Subject Areas : Journal of Comparative PathobiologyEbrahimi Saadatlou, M.A., Shahrouz, R. . 1
1 -
Keywords: One-Humped Camel, Lens, Ciliary Body,
Abstract :
In the present study, a total number of 20 eyes of adult one-humped camels were studied. Thisstudy was conducted to understand the macroscopic and microscopic structure of the lens andciliary body of camel eye. First, the lens and ciliary body of the eye was anatomically examinedin terms of appearance, dimensions, location and structure. Having prepared histologyy slidesand staining by H&E,Verhoeff, Trichrome masson's, and P.A.S., they were studiedmicroscopically. Posterior surface of lens was more convex than anterior surface. The averagelens diameter and thickness were respectively measured as 1.82±0.01 and 1.14±0.02centimeters. The average ciliary body thickness was measured as 0.7±0.01 centimeters. Inaddition, as the ciliary body was seen annular, it has mean external and internal diameters as2.9±0.07 and 2.5±0.02 centimeters. The epithelium of lens was cuboid and the lens capsule haspositive PAS reaction intensively. Also the anterior surface of capsule was thicker than posteriorsurface. The density of lens fibers in sub capsular part were more than central. The elastic fibersin lens was not observed. The ciliary process epithelium has two layers, that superficial layerwas pigmented and cuboid. Under the unpigmented epithelium, melanocytes with high pigmentswere situated. Connective tissue of ciliary body has more longitudinal smooth muscle fibers,blood and lymphatic vessels. Elastic fibers of connective tissue in ciliary body were thicknessand more. In conclusion, the lens and ciliary body of camels were similar to large ruminantsalthough there were little differences in anatomic dimensions and histologic characteristics.