Surface Features MD3

Question 1

Axillary Fossa

Answer 1

Borders:

medial: upper ribs & intercostals, serratus ant.
lateral: intertubercular groove of humerus
anterior: pec major/minor
posterior: teres major, subscap, lats

Contents:

-brachial plexus & branches, axillary artery, axillary vein (basilic & cephalic conversion), lymph nodes, axillary tail (extension of mammary gland)

Question 2

Anterior & Posterior Axillary Folds

Answer 2

Anterior: Pec Major border

Posterior: teres major, lats

Question 3

Cubital Fossa

Answer 3

brachial aa divides into radial & ulnar aa @ lower end

Question 4

Thenar & Hypothenar Eminences

Answer 4

Thenar (thumb), Hypothenar (pinky)