Ebook The ABSITE review: Part 2

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Nội dung chi tiết: Ebook The ABSITE review: Part 2

Ebook The ABSITE review: Part 2

CHAPTER 24. BREASTANATOMY AND PHYSIOLOGYBreast development•Breast formed from ectoderm milk streak•Estrogen - duct development (double layer of column

Ebook The ABSITE review: Part 2nar cells)•Progesterone - lobular development•Prolactin - synergizes estrogen and progesteroneCyclic changes•Estrogen - I breast swelling, growth of g

landular tissue•Progesterone - t maturation of glandular tissue; withdrawal causes menses•FSH. LH surge - cause ovum release•After menopause, lack of Ebook The ABSITE review: Part 2

estrogen and progesterone results in atrophy of breast tissueNenes•Long thoracic nene - innervates serratus anterior; injury results in winged scapula

Ebook The ABSITE review: Part 2

•Lateral thoracic artery supplies serratus anterior•Thoracodorsal nen e - innervates latissimus dorsi; injury results in weak arm pull-ups and adducti

CHAPTER 24. BREASTANATOMY AND PHYSIOLOGYBreast development•Breast formed from ectoderm milk streak•Estrogen - duct development (double layer of column

Ebook The ABSITE review: Part 2ctoralis major only•Intercostobrachial nene - lateral cutaneous branch of the 2nd intercostal nerve; provides sensation to medial arm and axilla; enco

untered just below axillary vein when performing axillary dissection•Can transect without serious consequencesBranches of internal thoracic artery, in Ebook The ABSITE review: Part 2

tercostal arteries, thoracoacromial artery, and lateral thoracic alien supply breastthoracicThoracodorsal vessels and nerve/ Axillary venIntorcostobra

Ebook The ABSITE review: Part 2

cftai nerveMajor neurovascular structures to be preserved in an axillary dissection.Batson's plexus - valveless vein plexus that allows direct hematog

CHAPTER 24. BREASTANATOMY AND PHYSIOLOGYBreast development•Breast formed from ectoderm milk streak•Estrogen - duct development (double layer of column

Ebook The ABSITE review: Part 2e internal mammary nodes•Supraclavicular nodes - considered N3 disease•Primary axillary adenopathy - #1 is lymphomaCooper's ligaments - suspensory lig

aments; divide breast into segments•Breast CA involving these strands can dimple the skinBENIGN BREAST DISEASE Ebook The ABSITE review: Part 2

CHAPTER 24. BREASTANATOMY AND PHYSIOLOGYBreast development•Breast formed from ectoderm milk streak•Estrogen - duct development (double layer of column