Morphology of bovine corneal endothelial cells obtained with alizarin red and optical microscopy
Abstract
The aim of this study was to determine the endothelial cell morphology in the different regions of healthy bovine corneal endothelium using optical microscopy. Twenty eyeballs from 10 male Brangus cattle, aged 24 months, were studied. The corneal endothelium was stained with the vital dye alizarin red and then examined with an optical microscope and photographed. Thirty endothelial cells from each corneal region were included in the analysis. Endothelial cell morphology was analysed in the central, superior, inferior, lateral and medial regions of the cornea. Comparisons between regions were performed using repeated measures analysis of variance (ANOVA). Differences were considered statistically significant at P < 0.05. Normal endothelial cells were mainly hexagonal (83.7%), pentagonal (7.45%) and heptagonal (8.8%), with a minimal number of cells of other shapes present. No statistical differences were observed in the endothelial cell morphology when comparing different regions of the cornea. Regarding endothelial cell morphology, there were no differences between the corneal regions.
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