Textbook of normal histology: including an account of the development of the tissues and of the organs . Glandular epithelium :small acinus from a serousracemose gland. Rod-epithelium : a, 6, c, isolated epithelial cells from uriniferoustubules of rat (after Heidenhain) ; d, rod-epithelium from submax-illary duct of dog. (After Schiefferdecker.) specialization, resulting in the production of perceptive elements,to which, as a group, the name neuro-epithelium has beenapplied. The rod- and cone-cells of the retina,the hair-cells of Cortis organ and other partsof the membranous labyrinth, the olf
Textbook of normal histology: including an account of the development of the tissues and of the organs . Glandular epithelium :small acinus from a serousracemose gland. Rod-epithelium : a, 6, c, isolated epithelial cells from uriniferoustubules of rat (after Heidenhain) ; d, rod-epithelium from submax-illary duct of dog. (After Schiefferdecker.) specialization, resulting in the production of perceptive elements,to which, as a group, the name neuro-epithelium has beenapplied. The rod- and cone-cells of the retina,the hair-cells of Cortis organ and other partsof the membranous labyrinth, the olfactory cellsof the nasal fossae, and the taste-cells of thetaste-buds, are all familiar examples of suchspecialized epithelium. In these elements twoparts are present—an inner, containing thenucleus, and corresponding to the usual proto-plasm of the cells, and an outer, peripherally-directed segment, which is highly specialized,and not infrequently terminates in stiff, rigid,hair-like processes. The outer segment re-ceives the stimuli from external impressions,while the inner, centrally-directed,
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Keywords: ., bookauthorpiersolgeorgeageorgea, bookcentury1800, bookdecade1890
