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lens
Значение термина lens в knolik
lens - lens
lens - Of eye of vertebrates, transparent structure just behind pupil, lying in aqueous humour, attached by collagen fibres to ciliary body. In land-living forms, including man, not as important as cornea in the refraction which produces image on retina; function is accommodation by change of shape. In fish, spherical, and responsible for both refraction and accommodation. In embryonic development of vertebrate originates from epidermis, as an induction by retina. Consists largely of elongated inert cells (lens fibres) which contain large amounts of special lens proteins, the crystallins. Lenses and lens-like structures occur in eyes of many invertebrates.
Рядом со словом lens в knolik
| lemur | В начало буква "" буквосочетание "" | lenticel |
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