cone definition of cone by medical dictionary
cone [kōn] 1. a solid figure or body having a circular base and tapering to a point. 2. one of the conelike structures which, with the rods, form the light sensitive elements of the retina; the cones make possible the perception of color. see also eye and vision. called also retinal cone. 3. in radiology, a conical or open ended cylindrical structure
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click to view2:16· graphene and dirac cones seiterk. loading unsubscribe from seiterk? animation about graphene, its band structure in dirac cones, and its doping through a grid.
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good news is that by using the planar solid structure, it is very easy to create complex geometries like a truncated cone using the script environment. the planar solid object is a very powerful tool to create arbitrary geometries.
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key difference – rod vs cone cells. the photoreceptors are cells in the retina of the eye which respond to the light. the distinguishing feature of these cells is the presence of tightly packed membrane that contains the photopigment known as rhodopsin or related molecules.the photopigments have a similar structure.
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the double cone consists of a principle cone (similar in structure to a normal single cone) and an accessory cone which curves around the inner segment of the principle cone (see figure). in the scheme of photoreceptor evolution proposed by walls (1942), the double cones were probably present in the captorhinda (ancestral amniotes) and possibly
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structure of the cones. the cones in the retina of the eye have a conical shape, hence their name. they are positioned with the broad end of the cone in contact with the membrana limitans externa (layer 8. of the retina),
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pine trees have evolved special structures, the pine cone, as a central means of reproduction. the pine cone is key to successful fertilization of seeds and assists plays an important role in dispersing seeds over a wide area. a single pine tree ordinarily contains both male and pine cones.
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cone 1. (in botany) a reproductive structure occurring in gymnosperms, known technically as a strobilus. it consists of sporophylls bearing the spore producing sporangia. gymnosperms produce different male and cones. the large woody cones of pines, firs,
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cone in cone. cone in cone is a peculiar structure consisting of nests of cones, one inside another, standing vertically and arranged either in thin beds or at the edges of large concretions. some cones are less than an inch in height, and others are as much as 10 inches high. they have a
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in other words, it is a reproductive structure of that type of plant, but did you know that there are both male and cones? both have scales, but they differ in color and firmness. the male cone is typically soft, green, and small.
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cone in cone structure cone in cone is a peculiar structure consisting of usually vertical nests of cones, one inside another, that are found either in thin beds or at the edges of large concretions [get more info]
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cobbold, peter r. zanella, alain rodrigues, nuno and løseth, helge 2013. bedding parallel fibrous veins (beef and cone in cone): worldwide occurrence and possible significance in terms of fluid overpressure, hydrocarbon generation and mineralization.
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cone cell parts. illustrated anatomical parts with images from e anatomy and descriptions of anatomical structures . anatomical hierarchy. cone cell translations. description. cone cells, or cones, are one of the two types of photoreceptor cells that are in the retina of the eye which are responsible for color vision as well as eye
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compact structure hydraulic stone cone crusher . mobile cone crusher has a specific structure conemobile cone crusher has a specific structuremobile cone crusher has a conemobile cone crusher has a specific structure and each module has a variety of optional parts that can be applied to the specific mobile cone crusher has a specific structure mobile cone
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mining rockets "demandite" is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization.
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regenerating hyperbolic cone structures from nil 817 particular case of structures on the end of o − Σ called of dehn type.those structures are defined by thurston in [20] and they are described by a pair
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a turret. cones happen when raindrops hit puddles. cones happen when jets break the sound barrier. the natural re occurrence of this general form unbound by scale or structure speaks to it's beauty, it's elegance, and it's downright usefulness. we aim to be as practical. cone architecture was founded in seattle around a core group of
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because of this concern and advances in three cone bearing life and cutting structures, two cone bits do not currently have many clear advantages. as with many roller cone bit designs, however, modern materials and engineering capabilities may resolve problems and
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a cone is a three dimensional geometric shape that tapers smoothly from a flat, round base to a point called the apex or vertex. more precisely, it is the solid figure bounded by a plane base and the surface (called the lateral surface)
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