The nictitating membrane or ‘third eyelid’ of a horse, dog, etc., being a triangular cartilage lying just within the inner corner of the eye, which…
| 单词 | θ38719 |
| 释义 | the world > animals > birds > parts of or bird defined by > [noun] > eye > part of (7) haw?1523 The nictitating membrane or ‘third eyelid’ of a horse, dog, etc., being a triangular cartilage lying just within the inner corner of the eye, which… periophthalmium1691 the nictitating membrane of a bird's eye. pecten1713 Zoology. A pigmented, vascular projection from the choroid of the eye into the vitreous humour, occurring in birds and certain reptiles and fishes. marsupium1795 Ornithology. The pecten of a bird's eye (pecten, n. 3a). Obsolete. Harderian gland1822 a gland present in the inner angle of the eye in those birds, mammals, and other vertebrates that have a nictitating membrane or ‘third eyelid’… sclerotal1854 Any of the component plates of the bony ring which protects the sclerotic coat of the eyeball in certain birds and reptiles. winker1884 The nictitating membrane of a bird's eye. |
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