Neurovasculature Courses Flashcards
From where does the Medial Cutaneous N. of the Forearm originate
Median N.
Which nerve impingemes betweem Flexor Digitorum Profundus and Flexor Digitorum Superficialis
Median N.
From which nerve does the anterior interosseous nerve originate?
Median N.
Which nerve passes through the Humeral and Ulnar heads of the Flexor Carpi Ulnaris
Ulnar N.
Which nerve passes between the radial and ulnar heads of the Supinator
Deep branch of Radial N.
From which nerve does the Posterior Interosseous Nerve originate
Radial N.
Which nerve runs deep to Brachioradialis
Radial N.
What pierces the clavipectoral fascia?
Cephalic Vein Thoracoacromial Artery and Vein Lymphatics Lateral Pectoral Nerve Medial Pectoral Nerve
What does the clavipectoral fascia enclose
Subclavius and pectaloris minor
What is the extent of the clavipectorial fascia
Clavicle to the axillary fascia at the floor
From which nerve does the Posterior Cutaneous Nerve of the Forearm Originate
Radial N.
From which nerve does the Lateral Cutaneous Nerve of the Forearm Originate
Musculocutaneous N.
Between which two major muscles does the musculocutaneous N. pass in the arm
Brachialis and Biceps Brachii
What are the relations of the roots of the Brachial Plexux
Pass etween anterior and middle scalenes
What are the relations of the trunks of the Brachial Plexus
Cross the posterior triangle of the neck
What are the relations of the divisions of the Brachial Plexus
Lie behind clavicle
What are the relations of the cords of the Brachial Plexus
Named according to relationship with second part of Axillary artery
What are the relations of the first part of the Axillary Artery
Between:
Lateral border of first rib and
Medial border of pec. minor
What are the relations of the second part of the Axillary Artery
Posterior to Pec. minor
What are the relations of the third part of the axillary artery?
Between:
Lateral Border of Pec Minor and
Inferior Border of Teres Major
What makes up the anastomosis around the scapula
Anterior and Posterior circumflex humerii A.
From 3rd part of axillary artery
Suprascapular A.
From Thyrocervical trunk
Circumflex scapular br.
From Subscapular A.
What lies at the medial wall of the axilla?
Lateral thoracic vessels
Lateral braches of 2-4 intercostal nerves
Long thoracic nerve
What lies at the posterior wall of the axilla
Subscapular vessels posterior circumflex vessels axillary nerve Upper & lower subscapular nerves thoracodorsal nerve
What lies at the lateral wall of the axilla
Medial cutaneous nerve of arm Medial cutaneous nerve fo forearm Terminal branches of Brachial Plexus 3rd part of axillary artery Axillary vein
What does the dorsal ramus of spinal nerves do
supplies skin, muscles and connective tissue of back
What does the ventral ramus do
forms nerve plexuses
What is the dermatome of the lateral side of the distal half of arm, arm and hand
C6
What is the dermatome of the middle part of the hand
C7
What is the dermatome of the medial part of the hand
C8
What is the dermatome of the medial part of the forearm and distal part of the arm
T1
What is the dermatome of the armpit
T3
What is the dermatome over the shoulder
C5
What is the dermatome of the neck
C3
What is a Prefixed Brachial Plexus
C4 - C8
What is a Postfixed Brachial Plexus
C6 - T2
What are the relations of the upper 1/3 of Brachial artery
Medial Cutaneous N. = Anterior
Ulnar N. = Medial
Median N. = Lateral
What are the relations of the middle 1/3 of Brachial artery
Median N. = Medial
What are the relations of the lower 1/3 of Brachial Artery
Median N. = medial
Radial N. = Posterior
What are the relations of the Brachial Artery at the elbow joint
Radial N. = Lateral
Median N. = Medial
Where does the Brachial Artery end?
Neck of radius medial to biceps tendon
Divides here
What is the Axillary Vein formed by
The brachial veins (deep - venae comitantes)
Basilic Vein
What is the main artery of the hand
Radial A.
What is the main artery of the forearm
Ulnar A.
What does the Ulnar A. Divide into in the palm
Palmar carpal A.
Dorsal Carpal A
Where does the Recurrent Br. of median N arise
Distal to the Flexor Retinaculum
Where does the Pallmar cutaneous br of median N arise
Proximal to the Flexor Retinaculum
What does the Palmar Cutaneous br. of median N. supply
supplies skin on lateral part of palm
What does the superficial terminal br. of ulnar N. supply
medial 1.5 fingers
What does the dorsal cutaneous br. of ulnar . supply
Hand dorsum and medial 1.5 fingers
Where does the Ulnar n. run in relation to the Ulnar A. in the wrist
Ulnar n. runs just medial to the Ulnar A. in the wrist
Which arteries form the anastomosis around the elbow joint
radial recurrent artery w/ radial collateral (from pb)
interosseous recurrent artery w/ middle collateral artery (from pb)
anterior ulnar recurrent artery w/ inferior ulnar collateral (from brachial artery)
posterior ulnar recurrent artery w/ superior ulnar recurrent artery (from brachial artery)
What does the palmar cutaneous branch of the ulnar nerve supply
Medial palm and median fingers
What are the sensory nerves of the hand
Recurrent br of median n palmar cutaneous br of median n palmar cutaneous br of ulnar n superficial terminal br of ulnar n dorsal cutaneous br of ulnar n
What are the branches of the axillary artery
Superior thoracic A
Thoracoacromial A
Lateral thoracic A
Subscapular A
Ant. humeral circumflex A
Post. humeral circumflex A
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What are the branches of the brachial artery
Profunda Brachii A Nutrient to humerus Superior ulnar collateral Inferior ulnar collateral Radial Ulnar
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