Anatomy Upper Limb Flashcards

1
Q

Demonstrate dermatomes of upper limb on yourself

A

C4, C5, C6, C7, C8, T1, T2

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2
Q

Demonstrate cutaneous innervation of the hand

A

median nerve, ulnar nerve, radial nerve

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3
Q

Describe the drainage of the superficial lymphatics of the upper limb

A
  • superficial lymphatics originate from lymphatic plexus in the hand
  • ascend with superficial veins and terminate in the apical axillary lymph nodes

cephalic vein - lymph nodes enter the apical axillary lymph nodes

basilic vein - lymph nodes enter the cubital lymph nodes

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4
Q

Describe the drainage of the deep lymphatics of the upper limb

A

-ascend with the major deep veins in the upper limb and terminate in the humeral (lateral) axillary lymph nodes
radial vein
ulnar vein

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5
Q

How does the right and left subclavian lymphatic trunks drain

A

-right subclavian lymphatic trunk is joined by the right jugular trunk to form the right lymphatic duct
joins the right venous angle to enter the right subclavian vein

-left subclavian lymphatic trunk joins the thoracic duct
enters the left brachiocephalic vein

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6
Q

Describe the superficial venous drainage of the upper limb

A
  • dorsal and palmar networks drain to cephalic (anterolateral) and basilic (posteromedial) veins
  • connected in cubital fossa by median cubital vein
  • basilic vein goes deep and joins brachial vein to form axillary vein
  • cephalic begins in roof of anatomic snuff box and pierces clavipectoral fascia to join axillary vein
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7
Q

Boundaries of the axilla

A
  • base = level of 4th rib, forms the armpit
  • apex = first rib, clavicle, superior scapula
  • anterior wall = pectoralis minor and major, clavipectoral fascia
  • posterior wall = scapula, subscapularis, teres major, latissimus dorsi
  • lateral wall = intertubercular sulcus of humerus
  • medial wall = 1-4th rib and serratus anterior
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8
Q

Contents of the axilla

A

axillary sheath (axillary artery, axillary vein, brachial plexus), axillary lymph nodes, fat

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