Equine thoracic limb neurology

what are the principal nerves of the thoracic limb

1. long thoracic

2. lateral 

3. suprascapular

4. subscapular

5. thoracodorsal

6. axillary

7. cranial pectoral

8. caudal pectoral

9. radial

10. musculocutaneous

11. median

12. ulnar

in the horse what is special about the musculocutaneous and median nerves

they are fused proximally 

all branches from the fused musculocutaneous and median nerve are considered what

musculocutaneous only

as the median nerve travels down the antebrachium it splits into two nerves what are they?

• medial palmar

• lateral palmar

as they approach the digits what do the medial and lateral palmar nerves become

• medial digital nerve

• lateral digital nerves

between the median and lateral palmar nerves there exists a ________

communicating branch

as the ulnar travels down the atebrachium it splits into what?

• dorsal branch of the ulnar nerve

• palmar branch of the ulnar nerve

the palmar branch of the ulnar nerve fuses with _____ after it splits

lateral palmar nerv

after fusing with the lateral palmar nerve another split occurs where it continues on as the lateral palmar nerve and _______

deep branch of the lateral palmar nerve

the deep branch of the lateral palmar nerve then splits into what?

• medial palmar metacarpal

• lateral palmar metacarpal

what is the parent nerve of the cranial cutaneous antebrachial nerve

axillary nerve

what is the parent nerve of the caudal cutaneous antebrachial nerve

ulnar nerve

what is the parent nerve of the medial cutaneous antebrachial nerve

musculocutaneous

what is the parent nerve of the lateral cutaneous antebrachial nerve

radial