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Mast cells in the developing avian eye

Mast cells are present in the eye of Gallus domesticus, appearing in the anterior uvea in embryos at stage 39 HH (13th day). In hatching and adult birds, they are present in the sclera, uvea, pectinate ligament, and conjunctiva. Mast cells are absent in the cornea, retina, and pecten oculi.