Upper Limb - Fascia, Arteries, Veins, Lymph, Dermatomes (1) Flashcards
Which dermatome supplies the thumb?
C6
Which dermatome supplies the lateral epicondyle of the elbow? And the medial epicondyle?
It depends which textbook you look at.
Lateral epicondyle = C5 or C6.
Medial epicondyle = T1 or C8.
Which dermatome supplies the tip of the middle finger?
C7.
Which dermatome supplies the little finger?
C8.
The extensor retinaculum in the wrist is a thickened continuation of the _______ ?
Antebrachial fascia.
The cutaneous innervation to the little finger and the medial surface of the 4th finger is by the ______ nerve.
Ulnar.
The cutaneous innervation to most of the palm, and the palmar surface of the index finger and middle finger is by the ______ nerve.
Median.
The cutaneous innervation to most of the dorsum of the hand, and the base of the thumb is by the ______ nerve.
Radial.
Name the two major superficial veins of the arm, from medial to lateral.
Basilic vein, Cephalic vein.
What name is given to the veins that communicate between the superficial and the deep veins of the upper limb?
Perforating veins.
Name three superficial veins of the cubital fossa.
Cephalic, Basilic, Median Cubital Vein.
The Basilic Vein and the Cephalic Vein both drain into the ___________, after piercing the __________.
Axillary vein. Deep Fascia.
Which muscular landmark is the starting point for the brachial artery?
Teres major.
What happens to the brachial artery at the cubital fossa?
Under the cover of the bicipital aponeurosis, it branches into the ulnar artery and radial artery.
What is the medial bicipital groove?
This is where the brachial artery can be palpated, between the biceps and triceps.
