Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 1028
Mem-branes.—The skin, which forms the ex-ternal envelope of the body, is divisibleinto two principal layers : the cutis veraor true skin, which usually makes upby far the larger part of its thickness,and the cuticle, scarf skin, or epi-dermis, which covers it. At the mouth,nostrils, and the other… … Fig. 715.—Vertical section of skinof finger: A, epidermis, thesurface of which shows depres-sions a a, between the emi-nences b b, on which open theperspiratory ducts s ; at m isseen the deeper layer of theepidermis, or stratum Malpighii.B, cutis vera, in which are im-bedded the sweat-glands d,with…
Microscopy
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