A--Anatomy of the breast
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The breast are classified as specialized ___________________ __________ capable of secreting milk.
What hormones, during puberty, stimulated the development of the breast?
What is the small part of the breast's glands that extend into the axilla known as?
East breast has approx. how many lobules which radiate from the nipple?
The main duct of each lobule is known as what?
The base of the breast is surrounded by a colored area of skin know as what?
What produces the elevation of the areola?
underlying glands, areolar glands
The lobules of the breast are separted by fibrous septa, which attach to deep surfaces of the skin by what?
What structure is involved in the dimpling of the skin seen in breast cancer?
This is loose connective tissure separating breast from deep fascia covering the pectoralis major.
The medial mammary arterial branches originate from the perforating branches of what artery?
internal thoracic artery
The lateral mammary branches originate from what two arteries?
lateral thoracic artery and posterior intercostal arteries
What three veins are mainly involved in draining blood from the breasts?
internal thoracic, lateral thoracic, and posterior intercostal veins
Lymph from the lateral quadrants of breast drain into what group of axillary lymph nodes?
anterior (pectoral) group
Lymph from medial quadrants of breast drain into what group of lymph nodes?
internal thoracic group
The areas of the breast that drain lymph posteriorly drain into what lymph nodes?
posterior intercostal lymph nodes
Why is it possible from cancer in one breast to spread to the other breast or the abdomen?
because some lymph vessels communicate with these areas