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Corneal keratocyte print that page


species the migration from neural crest comes in two waves, with the first giving birth to the corneal epithelium and the second invading the epithelium-secreted stromal anlage devoid of cells; in other species both populations come from a single wave of migration. Once settled in the stroma

Amacrine cell print that page

Amacrine cells operate at the inner plexiform layer (IPL), the second synaptic retinal layer where bipolar cells and retinal ganglion cells form synapses . There are about 40 different types of amacrine cells, most lacking axons . Like horizontal cells , amacrine cells work laterally affecting

wikipedia.org | 2010/9/27 1:40:21

Nevus cell print that page

A nevus cell is a variant of a melanocyte . [ 1 ] :684 It is the primary component of a melanocytic nevus . [ 2 ] Nevus cells can also be found in lymph nodes [ 3 ] and thymus . [ 4 ] [ edit ] References ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of

wikipedia.org | 2010/9/26 18:23:54

Category:Ophthalmology print that page

This category has the following 3 subcategories, out of 8 total. B [ + ] Blindness (6 C, 54 P) C [ + ] Corrective lenses (1 C, 29 P) D [ + ] Disorders of ocular muscles, binocular movement, accommodation and refraction (23 P) Pages in category "Ophthalmology" The following

wikipedia.org | 2010/9/25 9:02:44

Contact lens print that page


A contact lens (also known simply as contacts for a pair) is a corrective , cosmetic , or therapeutic lens usually placed on the cornea of the eye . Leonardo da Vinci is credited with describing and sketching the first ideas for contact lenses in 1508, but it was more than 300 years later

Melanoblast print that page


A melanoblast is a precursor cell of a melanocyte . These cells migrate from the trunk neural crest cells (in terms of axial level from neck to posterior end) dorsolaterally between the ectoderm and dorsal surface of the somites. [ edit ] See also biological pigment [ edit ] External

Merkel cell print that page


There is evidence that they are derived from neural crest . [ 1 ] Contents 1 History 2 Location 3 Function 4 Developmental origin 5 See also 6 References 7 External links [ edit ] History They were given their name in 1878 by Robert Bonnet [ 2 ] after the 19th century

Horizontal cell print that page

There are three basic types of horizontal cells, designated HI, HII and HIII. The selectivity of these three horizontal cells, towards one of the three cone types , is a matter of debate. According to studies conducted by Boycott and Wassle neither HI cells nor HII cells were selective towards

wikipedia.org | 2010/9/27 0:58:08

Trichocyte (human) print that page


In mammals, trichocytes are the specialized epithelial cells from which the highly mechanically resilient tissues hair and nails are formed. They can be identified by the fact that they express "hard", "trichocyte" or "hair" keratin proteins [ 1 ] . These are modified keratins containing

Oligodendrocyte precursor cell print that page

anat( g / a / p )/ phys / devp / cell noco / cong / tumr , epon proc , drug( S1A / 1E / 1F / 1L ) Categories : Nervous tissue cells | Glial cells

wikipedia.org | 2010/9/25 11:41:19