Sketch the normal appearance of breast
The breast is the characterized structure of mammal, the oldest language Latin language calls " mamma " in the world (read " Mum " ),It is obvious it is the same image with mother in early people's mind .....
Normal breast lie in front of chest both sides, in adult woman because of having body of gland increased in development appearance its, the breast takes the form of hemisphere, it is may flagging slightly and half-cone.
Its upper flange arises from the second rib, assign the 5th rib level, outer reason is to the armpit front, it has the direction outside the armpit is stretched, take the form of one pointedly and outstandingly, is called the breast " tail " . Connect with loosening the connective tissue between the muscle membrane of pectoralis major behind the mammary gland, making it be relatively fixed but can move.
In the central department of the breast, have a pigment deeper and browner projection, namely the nipple, the papilla displays the skin coarsely, take the form of particle, 15- 20 mammary gland conduits open inside, there is a brown skin the same around the nipple as nipple color, are called the milk and fainted. Milk let skin faint to be relatively thin, but display, have sebaceous glands open one's mouth, have sebaceous gland, sweat gland and abundant lymphocytic structure inside. After gestation, the milk range of fainting area is expanded, the color and luster is strengthened.
The size of the breast, factors of up to ethnic group, age, development, nutrition, size, fat and thinning etc. are different to some extent. Westerners have greater breasts, development is good worse than development and big, there is much lower fat of fat people's skin, the breast also than thin National People's Congress.
Adult women's size of both sides of breast is basically equal, symmetrical or accidental slightly all kinds of difference. Have, award milk most breast of history a bit flagging, about size slightly different once, the common left side is larger than the right side, this relates to the fact that it is used to awarding milk.
Often wither, soft and flagging with the elderly's breast after menopause. If the size difference of both sides breast is relatively large, it is huge milk disease or breast sarcoma that think of. Huge milk disease can happen on the single side, can also happen on dual sides. If touch tumour in the breast, should recognize and further check carefully.
The place before one side or both sides armpit of a few women's, it is obvious that there is tiny papilla kind that broke out, or with the shallow and light pigment, this is a pair of milk. Specific packs of milk can rise, its inside can lay one's hand on the intersection of gland and the intersection of body and kinds of organization.
Though some women's breast size can be slightly different or asymmetric, but outline all the time perfectly round appearance its, smooth to level. If it is obviously asymmetric to see the breast appearance of one pair of sides, the position of one side is high, or position on one side is low, the breast of one side is large, the breast of one side is small, or rise on one side, one side is flat, it is the abnormal condition.
Sick breast in swelling the intersection of side and breast, mammary gland accumulate the milk such as inflammation, tumour, lying-in woman. Some one side or dual breast flagging to get the intersection of umbilicus and base or flagging to reach the intersection of pubic symphysis and loose side, such as huge milk disease.
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