. A system of anatomy for the use of students of medicine (Volume 1). is, however, composed of many distinct parts, not arranged inthe form of layers. Fig. 28, represents an imaginary schemeor plan, in which they have placed together the constituent partsof the skin, the existence of which they had proved separatelyunder the microscope. —Thus, a is the derm, b, The corneous or horny epidermicmatter, c, The vessels and nerves which go out from the der-mis, d, Space filled up by their capillary branches, e, Ner-vous or tactile papillae. The diapnogenous, or sudoriferous ap-paratus, compose
. A system of anatomy for the use of students of medicine (Volume 1). is, however, composed of many distinct parts, not arranged inthe form of layers. Fig. 28, represents an imaginary schemeor plan, in which they have placed together the constituent partsof the skin, the existence of which they had proved separatelyunder the microscope. —Thus, a is the derm, b, The corneous or horny epidermicmatter, c, The vessels and nerves which go out from the der-mis, d, Space filled up by their capillary branches, e, Ner-vous or tactile papillae. The diapnogenous, or sudoriferous ap-paratus, composed of a glandular parenchyma, /, and of spiralsudoriferous canals, g. The glandular or secretory organ is in-closed in the substance of the skin, and the canals pass up be-tween the papilke and open obliquely on the surface of theepidermis, constituting the microscopical orifices, from which we * Nouvelle recherches sur la structure de la peau, par G. H. Breschet and Rous-sel de Vauzeme.—Paris, 1835.—p. ACCORDING TO BRESCHET AND ROUSSEL DE VAUZEME 387 Fig. see the sweat exuding on the palms of the hand, and soles of thefeet, h, The inhaling apparatus, or absorbent canals, which re-semble in many respects the lymphatic vessels : they are situatedin the corneous matter or rete mucosum; they are seen to com-mence under the most superficial layer of the corneous matterwhich forms the cuticle; no mouth or orifices, and it is impossi-ble to say, whether they commence in the form of a cul de sacor not. They pass down between the papillae, by the side of thesudoriferous canals, and communicate with a net-work of ves-sels, which they believe to be lymphatics mixed up with veins,spread upon the surface of the derm.* i, The organs whichsecrete the mucus of which the rete mucosum and cuticle isformed, or blennogenous apparatus; this consists of a glandularparenchyma situated in the thickness of the derm, and of shortexcretory canals k, which deposit the mucous matter between theb
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