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31 Cards in this Set
- Front
- Back
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Anatomic position:
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standing upright, palms forward, feet flat.
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4 layers of the body wall superficial -> deep
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1. Skin
2. Fascia 3. Muscle 4. Bone |
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What is the largest organ in the body?
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Skin
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What are the 2 layers of the skin?
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1. Epidermis
2. Dermis |
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What is in the dermis?
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-NeuroVasulature
-Lymphatics -Sweat glands -Hair follicles |
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What are the skin's 3 functions?
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1. Protection/hydration
2. Temp control 3. Convey environmental info |
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What are 2 types of fascia?
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1. Superficial - under dermis
2. Investing - surrounds muscles or muscle groups to fascilitate synergistic actions. |
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What is the Soma?
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The body wall
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What does the body wall consist of?
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Skin, Fascia, Muscle and Bone.
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What is the costocoracoid membrane?
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The superior portion of the clavipectoral fascia.
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What pierces the costocoracoid membrane?
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-Cephalic vein
-Thoracoacromial artery -Pectoral nerve (lateral?) |
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What is the initial blood supply to the axilla?
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Subclavian artery - as it crosses under the 1st rib it becomes the AXILLARY a.
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What branches off section I of the axillary artery?
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-Highest thoracic artery
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What branches off section II of the axillary artery?
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-Thoracoacromial trunk
-Lateral thoracic artery |
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What branches off section III of the axillary artery?
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-Subscapular artery
-Anterior humeral circumflex -Posterior humeral circumflex |
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What is the axillary artery named after passing teres major?
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Brachial artery
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What tissue does the breast arise from in human development?
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Ectodermal tissue - the ectodermal ridge, from axilla to groin.
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When does the ectodermal ridge develop?
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At 6 weeks (after 5)
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What is Polythelia?
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The development of extra nipples.
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What is Polymastia?
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The presence of an extra breast along the ectodermal ridge.
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What is amastia?
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Absence of breast tissue.
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What is Gynecomastia?
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Abnormally large breasts in men.
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What is the term for breast tissue extending into the armpit?
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Tail of Spence
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What are Coopers ligaments?
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Suspensory ligaments - they suspend the breast from pectoral fascia to skin.
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What will cause orange peel appearance of the breast?
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Tumor growing and pulling on suspensory ligaments.
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What are the 3 components of the APEX of the axilla?
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1. 1st rib
2. Superior border of scapula 3. Clavicle |
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What are the 4 walls of the Axilla?
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1. Medial = costal
2. Lateral = humeral 3. Anterior = Pectoral 4. Posterior = Scapular |
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What makes up the Medial wall?
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Serratus Anterior
Ribs 2-6 - Intercostal mm. |
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What makes up the Lateral wall?
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Humerus bicipital groove
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What makes up the Anterior wall?
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Superficial: pec major/fascia
Deep: pec minor, subclavius, and clavipectoral fascia. |
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What makes up the Posterior wall?
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Subscapularis muscle
Latissimus dorsi Teres major muscle. |
