The people's common sense medical adviser in plain English, or, Medicine simplified . At its extremity we find a sort of shield,called the epiglottis, the office of which is to prevent the intru-sion of foreign bodies. I CHAPTER IX. PHYSIOLOGICAL ANATOMY. THE SKIN. Fiy. 46. 17. Through digestion the blood is continually supplied withmaterial for its renewal; and while the nutritive constituents ofthe food are retained to promote the growth of the body, thosewhich are useless or injurious are in various ways is, perhaps, no part of the body more actively concerned in this removal
The people's common sense medical adviser in plain English, or, Medicine simplified . At its extremity we find a sort of shield,called the epiglottis, the office of which is to prevent the intru-sion of foreign bodies. I CHAPTER IX. PHYSIOLOGICAL ANATOMY. THE SKIN. Fiy. 46. 17. Through digestion the blood is continually supplied withmaterial for its renewal; and while the nutritive constituents ofthe food are retained to promote the growth of the body, thosewhich are useless or injurious are in various ways is, perhaps, no part of the body more actively concerned in this removal than theskin. 78. The skin is amembranous envelopecovering the whole consists of two lay-ers, viz: the Cutis Vera(true skin) and the Cuti-cle (epidermis). TheTrue iSkin is composedof fibers similar to thoseof the oellular tissue. Itconsists of white andyellow fibers, which aremore densely woven nearthe surface than at thecenter; the white givesstrength, the yellow strength and elasticity combined. Thoughthe true skin can properly be said to consist of but one layer, «7. An iilenl view of the papilla;. /, i. Cutis verat, S. Papillary layer. S, S. Arteries of the , L Nerves of the papillie 5, 6. Veins of the pa-plllM. 68 COMMON SENSE MEDICAL ADVISEE. yet it lias two si;ifaces, an external and an internal surface,differing in their appearance and characteristics. Upon the ex-ternal surface are little conical prominences, known as papillop,.The papillse are irregularly distributed over the body, in someparts being smaller and more numerous than in others, as on thefinger-ends, where their summits are so intimately connected asto form a tolerably smooth surface. It is owing to their perfectdevelopment that the finger-tips are adapted to receive thefinest impressions of touch. Although every part of the skin issensitive, yet the papillae are extremely so, for they are theprincipal nieajis thiough which the impressions of objects arecommunicated. Each papilla not on
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Keywords: ., bookcentury180, bookdecade1870, booksubjectmedicine, bookyear1876
