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Breast
A--Anatomy of the breast
Question | Answer |
---|---|
The breast are classified as specialized ___________________ __________ capable of secreting milk. | accesory glands |
What hormones, during puberty, stimulated the development of the breast? | ovarian hormones |
What is the small part of the breast's glands that extend into the axilla known as? | axillary tail |
East breast has approx. how many lobules which radiate from the nipple? | 15-20 |
The main duct of each lobule is known as what? | lactiferous duct |
The base of the breast is surrounded by a colored area of skin know as what? | areola |
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? | suspensory ligaments |
What structure is involved in the dimpling of the skin seen in breast cancer? | suspensory ligaments |
This is loose connective tissure separating breast from deep fascia covering the pectoralis major. | Retromammary space |
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 |