Identifier: handbookofphysio1856kirk (find matches)
Title: Hand-book of physiology
Year: 1856 (1850s)
Authors: Kirkes, William Senhouse, 1823-1864
Subjects: Physiology Human physiology
Publisher: London : Walton and Maberly
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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ntly-formed scales orcellulcs from the humanconjunctiva: A. section of the epithelium of the conjunctiva, svith somescales loosened. After Henle. CYLINDEICAL AND CILIARY EPITHELIUM. 329 which extends from the cardiac orifice of the stomach alongthe whole of the digestive canal to the anus, and lines thevarious principal gland-ducts which open upon the mucoussurface of this tract. It is also found in the greater part ofthe male genito-urinary apparatus, and the gland-ducts con-nected with it; and lines the urinary passages of the femalefrom the orifice of the urethra to the beginning of the urinarytubules of the kidneys. It is composed of closely-set cells ofa conical, pyramidal, or cyhndrical form, whose apices areattached to the mucous membrane, or to flat epithelial cellslying upon it, and whose bases, which are usually terminatedby a truncated plane, are free. Each such cell encloses, atnearly mid-distance between its base and apex, a flat nucleus with nucleoli (fig. 35). Fig. 35.*
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In the third variety of epithelium, cells, similar in otherrespects to the above, are provided at their free extremitieswith several fine pellucid pliant processes of cilia, which areconstantly in rapid vibratory motion, and the nature of which Fig. 35. Cylinders of the intestinal epithelium, after Henle: —A. Cylinders from the cardiac region of the human stomach; b. thesame from the jejunum; c. cylinders of the intestinal epithelium as seenwhen looking on their free extremities; d. ditto, as seen in a transversesection of a yillus. . 330 SECRETION. will be considered hereafter,* This form of epithelium linesthe whole respiratory tract of mucous membrane and its pro-longations. It occurs also in the female generative apparatus,commencing about the neck of the uteruSj and extending tothe fimbriated extremities of the Fallopian tubes, and for ashort distance, along the peritoneal surface of the latter. Atesselated epithelium, wdth scales partly covered with cilia,lines the interior of

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