17 Breasts and Regional Lymphs

17 Breasts and Regional Lymphs - 17 Breasts and Regional...

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17 Breasts and Regional Lymph's 10/19/09
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Breasts Breasts: Present in both male and female, but in female  they are accessory reproductive organs. They lie interiorly between the 2 nd  and 6 th  rib and extending  from the side of the sternum to the mid-axillary line. They extend into the axillary via the  tail of Spence. (cone  shaped and extending into the axilla) The Nipple is just below the center of the breast. It is rough,  round, protuberant and contains tiny milk duct openings. It  is surrounded by the Areola.
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Breasts Areola contain sebaceous glands called Montgomery glands  which secrete protective lipid material during lactation. Internal Anatomy: Consists of glandular tissue, suspensor  ligaments and adipose tissue. Lobules contain clusters of alveoli that produce milk. Each lobe  empties into a lactiferous duct. Coopers ligaments: Extend vertically and attach to the chest  wall to support breast tissue Divided into four quadrants:  Upper outer  ( most common  site  of breast cancer ), upper inner, lower inner, lower outer
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Lymphatics Central Axillary  : high up into maxilla Pectoral : along lateral edge Sub scapular : along the lateral edge of scapula Lateral : along the humerus, inside the upper arm From the central axillary nodes, drainage flows up to the  infraclavicular and supraclavicular nodes
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Breasts and Lymphatic Pregnant Female: changes occur during 2 nd   month-
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This note was uploaded on 05/31/2011 for the course NUR 326 taught by Professor Meneghini during the Fall '10 term at St. Xavier.

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17 Breasts and Regional Lymphs - 17 Breasts and Regional...

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