Flashcards in Anatomy Prep Deck (54):
The six trunks of the axillary artery and their branches are...
- superior thoracic
- thoracoacromial trunk (4 branches)
- lateral thoracic
- subscapular (circumflex scapular, thoracodorsal)
- anterior circumflex humeral
- posterior circumflex humeral
The superior thoracic artery supplies what?
the 1st and 2nd IC spaces plus serratus anterior
The lateral thoracic artery supplies what?
the mammary gland
The subscapular gives off what two branches?
- circumflex scapular
The circumflex scapular artery supplies what?
the subscapularis and levator scapulae
The thoracodorsal artery supplies what?
the latissimus dorsi
What passes through the triangular space of the axilla?
the circumflex scapular artery
What passes through the quadrangular space of the axilla?
the axillary nerve and posterior circumflex humeral artery
What passes through the triangular interval of the posterior arm?
the radial nerve and deep artery of the arm
The axillary artery becomes the ____ artery when it passes ____.
the brachial artery when it passes teres major
The brachial artery gives what important branch in the shoulder?
the deep artery of the arm
The brachial artery divides into what two arteries?
the ulnar and radial
The common interosseous artery is a continuation of what artery?
the ulnar artery
Which artery of the forearm contributes more to the deep palmar arch?
the radial artery
The ulnar artery mostly serves what palmar arch?
the superficial palmar arch
The brachialis and brachioradialis are supplied by what artery?
the radial recurrent
What happens to the pudendal artery after it exits the pelvis?
it re-enters the pelvis through the lesser sciatic foramen
The femoral artery gives off what important branches?
the medial circumflex femoral, the lateral circumflex femoral, the deep femoral
The deep femoral artery anastomoses with what other artery off the external iliac?
the inferior gluteal artery
The femoral artery ends when it pass through the ____.
After passing through the adductor hiatus, the femoral artery becomes what artery?
the popliteal artery
What happens to the popliteal artery?
it divides into the anterior tibial and posterior tibial arteries
The fibular artery is a branch off what artery?
the posterior tibial artery
The fibular artery supplies what?
the lateral compartment of the leg
Dorsalis pedalis is a branch of what artery?
the anterior tibial artery
What is the terminal branch of the musculocutaneous nerve?
the lateral antebrachial cutaneous nerve
What is the important landmark through which the musculocutaneous nerve passes?
it pierces the coracobrachialis
The axillary nerve supplies what muscles?
the deltoid and teres minor
What are the two important cutaneous branches of the radial nerve in the arm?
- inferior lateral cutaneous
- posterior antebrachial
What branch of the radial nerve supplies the dorsum of the hand?
the superficial branch
What happens to the radial nerve after it passes by the elbow?
it divides into a superficial and deep branch
What happens to the deep branch of the radial nerve?
it becomes the posterior IO nerve
What branch of the radial artery serves the forearm muscles?
the deep branch
Where do the posterior and anterior interosseous nerves come from?
from the radial and median nerves, respectively
The deep ventral forearm muscles are supplied by what nerve?
the anterior interosseous nerve
The superficial ventral forearm muscles are supplied by what nerve?
the median nerve
The sciatic nerve involves what spinal nerves?
The femoral nerve involves what spinal nerves?
The fibular nerve gives off what branches in the leg?
the deep and superficial
The thigh is innervated by what cutaneous nerves?
the anterior, lateral, and posterior cutaneous nerves
The gluteal skin is innervated by what?
the vental rami of L1-S3
Which is more superficial, the sacrospinous or sacrotuberous ligament?
What two tendons are visible at the back of the knee, outlining the popliteal fossa?
the semimembranosus (medial) and the biceps femoris (lateral)
Describe the termination of the extensor digitorum tendons.
they send two branches laterally to the distal phalanx and a central terminal to the middle phalanx
What happens to the flexor digitorum superficialis tendons?
the split and both attach to the middle phalanx
What happens to the flexor digitorum profundus tendons?
it remains as one, central fiber and terminates on the distal phalanx
What tendons wrap around the lateral malleolus?
fibularis longus and fibularis brevis
Name the arteries between the palmar arch of the hand and the MCPs.
common palmar digitial arteries
What happens to the common palmar digital arteries?
they split into two proper palmar digital arteries at the MCPs
Which palmar arch is loops more distal than the other?
the superficial arch is longer
What arteries supply the knee?
What artery runs in the flexor retinaculum of the foot?
the posterior tibial artery
What muscle lies in the popliteal fossa?