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Endothelium
| Глоссарий терминов и сокращений по оптическим линзам |
- The inner most layer of the cornea.
- A membrane of special cells which lines the heart, the lymph vessels, the blood vessels and various body cavities. compare epithelium, mesothelium
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Epithelium, английский
- The outer most layer of the cornea.
- The layer or layers of cells covering an organ, including the skin and the lining of all hollow cavities except blood vessels, lymphatics and serous cavities. compare endothelium, mesothelium comment: epithelium is classified according to the shape of the cells and the number of layers of cells which form it. the types of epithelium according to the number of layers are: simple epithelium (epithelium formed of a single layer of cells) and stratified epithelium (epithelium formed of several layers of cells). the main types of epithelial cells are: columnar epithelium (simple epithelium with long narrow cells, forming the lining of the intestines); ciliated epithelium (simple epithelium where the cells have little hairs, forming the lining of air passages); cuboidal epithelium (with cube-shaped cells, forming the lining of glands and intestines) and squamous epithelium or pavement epithelium (with flat cells like scales, forming the lining of the pericardium, peritoneum and pleura).
Mesothelium, английский
A layer of cells lining a serous membrane. compare epithelium, endothelium
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Endpiece, английский
That part of a frame where the frame front is joined with the temple.
Emmetropia, английский
- Theoretically normal eyesight. refractive condition of the eye in which the rays of light come to a point of focus perfectly on the retina.
- The correct focusing of light rays by the eye onto the retina giving normal vision. compare ametropia
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