Most pregnancies cause the areola to darken, the breast to increase in size, and the Montgomery glands to become more prominent. Post-lactational involution occurs at the cessation of milk production caused by a decline in prolactin.doi:10.1007/978-3-030-41596-9_1Ashley Alex...
Although the location and external form of the mammary glands differ among species, the general phases of development and the mechanisms of milk production are remarkably similar. For this reason, researchers have been able to draw on a myriad of work in animals to understand this process. In ...
Both males and females have breasts. The structure of the male breast is nearly identical to that of the female breast, except that the male breast tissue lacks the specialized lobules, as there is no physiologic need for milk production by the male breast. Abnormal enlargement of themale brea...
Fig 1 – Internal structure of the breast During Pregnancy During pregnancy, there is significant hypertrophy of theductular-lobular-alveolar system,prominent lobules form and from mid-gestation alveolar cells differentiate to be capable of milk production. ...
This enhances the mother-infant relationship in terms of bonding, and it also stimulates mature milk production. The duration of the nursing period is widely variable, even within cultures. Dietary precautions should ensure adequate maternal dietary intake during breast feeding and should include ...
Physiology of lactation 喜欢 0 阅读量: 4 作者: A. S. McNeilly 摘要: In adult life the human breast, unlike that of other species, is sufficiently developed to allow milk secretion to occur after only a brief period of hormonal stimulation. During pregnancy the ducts and secretory alveoli ...
the female reproductive system is located primarily inside the pelvic cavity. Recall that the ovaries are the female gonads. The gamete they produce is called anoocyte. We’ll discuss the production of oocytes in detail shortly. First, let’s look at some of the structures of the ...
Despite the nipple being integral to the release of breast milk for the infant while feeding, and also stemming leakage between breastfeeds, little is known about its anatomy and function during lactation. The structure of the mammary gland includes intertwined and overlapping ductal systems which ...
The role of TGF-beta production in growth inhibition of breast-tumor cells by progestins. We have studied the influence of synthetic progestins on the estrogen-induced proliferation and type-beta transforming-growth-factor (TGF-beta) production ... Kalkhoven Eric,Kwakkenbos‐Isbrücker Linda,Mumme...
Physiology and pathophysiology of glucagon. The principal physiologic effect of PRL in human females is the initiation of lactation. The cellular events leading to actual secretion of breast milk are... RH Unger,L Orci - Academic Press, 被引量: 401发表: 1976年 ...