- periscopic meniscus
- هلالة مئفاقية
English-Arabic Medical Dictionary. 2013.
periscopic meniscus
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Meniscus — The word meniscus comes from the Greek and refers to a crescent shaped structure. Today a meniscus is something that is shaped like a crescent moon or a croissant pastry. A meniscus can be an anatomic feature. For example, the medial meniscus of… … Medical dictionary
periscopic — Denoting that which gives the ability to see objects to one side as well as in the direct axis of vision. [peri + G. skopeo, to view] * * * peri·scop·ic .per ə skäp ik adj giving a distinct image of objects viewed obliquely as well as those in a… … Medical dictionary
Lens — The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines the back of the eye, senses light and creates impulses that go through the optic nerve to the brain). The lens was named after the lentil … Medical dictionary
Optical Instruments — (Roget s Thesaurus) < N PARAG:Optical Instruments >N GRP: N 1 Sgm: N 1 optical instruments optical instruments Sgm: N 1 lens lens meniscus magnifier Sgm: N 1 microscope microscope megascope tienoscope GRP: N 2 Sgm: N 2 spect … English dictionary for students
concavoconvex lens — a lens that has one concave surface and one convex; the concave surface is of greater curvature than the convex. Called also periscopic convex l., converging meniscus l., and positive meniscus l … Medical dictionary
convexoconcave lens — a lens that has one convex and one concave surface; the convex surface is of greater curvature than the concave. Called also periscopic concave l., diverging meniscus l., and negative meniscus l … Medical dictionary
