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Nerves of the Forelimb: Cutaneous Distribution Nerves of the Forelimb: Localization of Contributing Spinal Cord Segments 1257

Nerves of the Forelimb: Cutaneous Distribution
VetBooks.ir Dorsal cutaneous

branches
C5
C6
T2
T3

T2
Lateral cutaneous
C5 branch
Ventral cutaneous
branch Axillary nerve

T3
Brachiocephalic Lateral cutaneous
nerve branch

Differentials, Lists, and Mnemonics
Musculocutaneous Ulnar nerve
nerve

Radial nerve Radial nerve
Ulnar
nerve

(Figure reproduced from De Lahunta A, Glass E: Veterinary neuroanatomy and clinical neurology, ed 3, St. Louis, 2009,
Saunders, with permission.)

Nerves of the Forelimb: Localization of
Contributing Spinal Cord Segments

Nerve Spinal Cord Segments
Phrenic C5, 6, 7
Cranial pectoral C6, 7, 8
Suprascapular C6, 7
Subscapular C6, 7
Musculocutaneous C6, 7, 8
Axillary C7, 8
Thoracodorsal C8
Lateral thoracic C8, T1
Radial C7, 8, T1, 2
Median and ulnar C8, T1, 2
Caudal pectoral C8, T1, 2
Sympathetics (Horner’s) T1, 2, 3
From Evans H, de Lahunta A: Guide to the dissection of the dog, ed 7, St. Louis, 2010, Saunders.

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