Breast Anatomy Pdf

Gross anatomy anatomic boundaries breasts rest on anterior chest wall overlying pectoralis major and minor muscles superior border at 2nd rib. At the apex of the breast is the mammary areola a pigmented skin area whose surface is characterized by the presence of modified sebaceous glands that with their secretion have the function of making the nipple soft and elastic.

Pdf Investigation Of The Anthropometric Changes In Breast

Breast cancer is decidedly a womans disease only one percent of all breast cancers occur in males.

Breast anatomy pdf. At the surface of the nipple the tubules from which the secretion product of the gland comes out. Lateral border at mid axillary line. Early breast cancer is a small tumor less than an inch in size located in the breast only.

The weight of the gland varies in girls in the limits of 150200 g in the period of lactation 300900 g. Inferior border at 6th rib. This quadrant is more often implicated in breast cancer and in most benign lesions of breast tissue.

Medial border at edge of sternum deep margin of breast rests on fascia of pectoralis major muscle. Even an early cancer may have been. 1 anatomy of a healthy breast out of the period of lactation the mammary gland has in average 1012 cm in the diameter with the thickness of 23 cm d.

At its superolateral extremity the breast tissue projects as a tongue into the axilla along the lower border of the pectoralis majordthe axillary tail of spence. The breast a breast lift surgery or mastopexy is often required as well. The main bulk of the breast tissue is usually localized to its upper outer quadrant.

Without this additional surgery to remove excess skin placement of the implant can cause the breast to have a double bubble or snoopy breast look. Breast cancer majority of cancers develop in upper outer quadrant large amount of glandular tissue here an axillary tail of breast tissue often extends into axilla. Many authorities think that reducing fat and alcohol intake can help reduce the chances of breast cancer.

This surgery will also add scars around the nipple unlike most breast augmentation surgeries.

The Axilla Region Borders Contents Teachmeanatomy