A textbook of obstetrics . divided into excretory ducts, lobes, and lobules; between the lobes and lobules are connective tissue and lat. The lobules arc ultimately divided into little vesicles; theseempty into a small excretory duet ; the small excretory ductsfrom contiguous lobules unite to form a single large, lactiferous THE PI ERPER. I/. STA TE. 335 canal ; of these there are some fifteen or twenty, each conveyingthe secretion from a separate lobe to the nipple; just beforeemerging upon the surface of the nipple each duct is dilated toform a small ampulla or reservoir for the milk; as it


A textbook of obstetrics . divided into excretory ducts, lobes, and lobules; between the lobes and lobules are connective tissue and lat. The lobules arc ultimately divided into little vesicles; theseempty into a small excretory duet ; the small excretory ductsfrom contiguous lobules unite to form a single large, lactiferous THE PI ERPER. I/. STA TE. 335 canal ; of these there are some fifteen or twenty, each conveyingthe secretion from a separate lobe to the nipple; just beforeemerging upon the surface of the nipple each duct is dilated toform a small ampulla or reservoir for the milk; as it passesthrough the skin of the nipple, however, it is again con-tracted. The epithelium of the gland is continuous with thatof the integument ; in the superficial portions of the lactiferousducts it is squamous ; in the deeper portions of the gland,columnar. The function of the gland is the secretion of —During the latter part of pregnancy a thin,opalescent fluid may be squeezed out of the breast ; directly. Fig- J99-—Mammary gland : i,Lacteal ducts; 2, glandular acinus(Playfair).


Size: 1191px × 2097px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics