. Cyclopædia of obstetrics and gynecology. find a separate investing membrane ofthe acini, though it has been mentioned by many authors. According toLanger eacli acinus is sharply defined by a fine nucleated fibrous highly developed condition is that in which the gland is most fre-quently described. The developed nipple is very contractile; it contains alarge num])er of muscular fibres, which belong only to the cutis not to theexcretory ducts, and the muscular fibres of the skin in this region are gen-erally strengthened. According to Hennig, these muscular fibres extendalso deep
. Cyclopædia of obstetrics and gynecology. find a separate investing membrane ofthe acini, though it has been mentioned by many authors. According toLanger eacli acinus is sharply defined by a fine nucleated fibrous highly developed condition is that in which the gland is most fre-quently described. The developed nipple is very contractile; it contains alarge num])er of muscular fibres, which belong only to the cutis not to theexcretory ducts, and the muscular fibres of the skin in this region are gen-erally strengthened. According to Hennig, these muscular fibres extendalso deep into the gland, so that they surround, in interrupted layers,not only the excretory ducts but also the single gland-lobules. The nipple is pierced by from twelve to fifteen excretory ducts, whichare here so small that the finest bristle can scarcely penetrate them. The ANATO^IY OF THE HRKASTS. small, previously-mentioned nodules of the areola, which, with the areola,are of a brown or brownish-black color during pregnancy, are small acin-. FiG. 6, A. Fig. 6, B. Fig. 6, A.—Section through the Terminal Xobule of the Mammary Gland op a Nitrsk,WITH Injected Blood-Vessels. Hartuack Syst. 1-8. (Langer.) Fig. 6, B.—Reticular Connective Tissue from the Parietal Wall of two Gland Lobules,Hartnack SjSt. 1-9. (Langer.)
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Keywords: ., bo, bookcentury1800, booksubjectgynecology, booksubjectobstetrics
