Gynecological diagnosis . IS MINORINTERCOSTALESSHEATH OF PEC-TORALIS MAJOR .SUPERFICIALFASCIA -FOURTH RIB -LUNG ADIPOSE TISSUEHORIZONTAL PLANEOF NIPPLE -FIFTH RIB SIXTH RIB Fig. 197.—Vertical Section of Right Breast, Inner Surface of Outer Segment. (Testut.) the axillary proper, in the loose adipose tissue of the axilla; andthe subscapular, between the scapula and the posterior wall of thethorax. The anastomosis of the lymphatics of the breast is ex-ceedingly free and it is easy to see how the skin may become in-volved early in cancer of the breast. The pectoral group of axillarylymphatic glan
Gynecological diagnosis . IS MINORINTERCOSTALESSHEATH OF PEC-TORALIS MAJOR .SUPERFICIALFASCIA -FOURTH RIB -LUNG ADIPOSE TISSUEHORIZONTAL PLANEOF NIPPLE -FIFTH RIB SIXTH RIB Fig. 197.—Vertical Section of Right Breast, Inner Surface of Outer Segment. (Testut.) the axillary proper, in the loose adipose tissue of the axilla; andthe subscapular, between the scapula and the posterior wall of thethorax. The anastomosis of the lymphatics of the breast is ex-ceedingly free and it is easy to see how the skin may become in-volved early in cancer of the breast. The pectoral group of axillarylymphatic glands is the one usually first infected in this disease. 534 DISEASES OF THE BREAST AGE CHANGES The Infantile Breast.—The breast at birth consists of a nipplecovered with epidermis, which differs from normal skin. Themamma is surrounded by a non-pigmented areola. On sectionthe breast is seen to be made up of branching ducts surroundedby loose areolar tissue and fat. Longridge, who studied the mammary glands of still-born. Fig. 198.—Dissection of the Lower Half of the Breast, Showing the AnatomicalArrangement of the Milk Ducts. (Jewett.) infants, found that in large children with abundance of subcuta-neous fat the breasts are usually well developed, irrespective of breast tissue can be felt distinctly as a solid mass lying belowthe primary areola, and on squeezing it a fluid, which on microscopicexamination is indistinguishable from milk, can be the cause of the activity of growth in the breast of thenew-born infant may be, and many theories have been advanced,such as the existence of a chemical messenger in the circulation, AGE CHANGES 535 or an internal secretion from the maternal placenta,. the growthand the secretion cease soon after birth and the breast is quiescentuntil puberty approaches. The Breast at Puberty.—At puberty the whole breast enlarges,the nipple becomes larger also, and is more sensitive; the areolaincreases in size and becomes
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectwomen, bookyear1910
