Nerve supply of limbs (dave's notes) Flashcards
1
Q
What do limb buds two out from?
A
The lateral strip supplied by the lateral branch of anterior rami - through anterior and posterior divisions form the pelxuses
2
Q
What do limb plexuses supply?
A
Skin and muscles
3
Q
What are plexuses formed from?
A
The anterior rami from cord enlargements - they are never supplied by the posterior rami
4
Q
What does every limb plexus divide into?
What is an exception to this rule?
A
Anterior (flexor, richer supply) and posterior (extensor) compartments
In a few cases muscles near the axial borders receive double innervation
5
Q
What are axial lines?
A
The junctions between two discontinuous dermatomes. There is no overlap across axial lines
