Notes in L22 Pectoral Region

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Status	Last Update	Fields
Published	10/23/2024	Pectoralis MajorORIGIN: {{c1::Sternal half of the clavicle, sternum to 7th rib, carilages of true ribs, aponeurosis of external oblique muscle::4…
Published	10/23/2024	Pectoralis MinorORIGIN: {{c1::Ribs 3-5}}INSERTION:{{c1::Coracoid process of scapula::1}}ACTION: {{c1::Protract scapula (pull it forward)::1}…
Published	10/23/2024	SubclaviusORIGIN: {{c1::First rib::1}}INSERTION:{{c1::Clavicle::1}}ACTION: {{c1::Stabilizes and depresses clavicle::2}}NERVE: {{c1::Ner…
Published	10/23/2024	Serratus AnteriorORIGIN: {{c1::Lateral surfaces of upper 8-9 ribs}}INSERTION: {{c1::Costal surface of the medial border of the scapula::1}}A…
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Published	10/23/2024	Pectoral nerves arise from the {{c1::brachial plexus}}. The {{c2::medial}} pectoral nerve innervates {{c1::pectoralis minor}} and then pierces and inn…
Published	10/23/2024	The {{c2::lateral pectoral}} nerve innervates {{c1::pectoralis major}} only
Published	10/23/2024	Injury to the pectoral nerves leads to weak {{c1::adduction}} and {{c1::flexion}} of the arm
Published	10/23/2024	With injury to the {{c1::long thoracic nerve}}, the medial border of the scapula moves away from the spine and posteriorly off of the thoracic wall. T…
Published	10/23/2024	As the {{c2::subclavian}} artery passes the first rib, it changes names to the {{c1::axillary}} artery
Published	10/23/2024	The {{c2::subclavian artery}} is divided into 3 parts - medial to, deep to, and distal to the {{c1::anterior scalene}} muscleFirst Part: {{c1::Ve…
Published	10/23/2024	The {{c1::axillary artery}} is divided in to three parts - the first part is from the {{c2::first rib}} to {{c2::pectoralis minor}}, the second part i…
Published	10/23/2024	The {{c2::first}} part of the axillary artery includes the {{c1::superior thoracic artery}}
Published	10/23/2024	The {{c2::second}} part of the axillary artery includes the {{c1::thoracoacromial trunk}} and {{c1::lateral thoracic artery}}
Published	10/23/2024	The {{c2::third}} part of the axillary artery includes the {{c1::anterior}} and {{c1::posterior circumflex humeral arteries}} and the {{c1::subscapula…
Published	10/23/2024	If a blockage were to occur in the axillary artery, distal to {{c1::suprascapular}} and proximal to {{c1::subscapular}} arteries, blood would flow thr…
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Published	10/23/2024	The {{c2::axillary}} lymph nodes can be remembered by the CLASP mnemonic: {{c1::Central nodes}} (from all distal nodes), {{c1::lateral}} (upper extrem…
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Published	10/23/2024	Breast AnatomyMammary glands are a modified and specialized type of {{c1::sweat}} gland.2/3rd rests on {{c1::deep pectoral}} fascia; 1/3rd on fascia c…
Published	10/23/2024	Breast Anatomy- {{c1::Tubuloalveolar glands}} and {{c1::fat}} comprise the bulk of the breast.- {{c1::15-20}} glands with each forming a lobe with1&nb…
Published	10/23/2024	During pregnancy and lactation, alveoli and ducts in the breasts {{c1::enlarge and dilate}} through facilitation by {{c1::estrogen::hormone}} for duct…
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