Meninges And Arteries DLA

Question 1

What is special about spinaal meninges?

Answer 1

Spinal meninges lack the periosteal du

Question 2

How are the denticulate ligamenrs formed?

Answer 2

• Lateral extensions of the pia form denticulate ligaments, which fuse with the arachnoid and dura, lending stability

Question 3

Describe arterial supply of the spinal cord

Answer 3

Segmental branches of the vertebral arteries and aorta supply the anterior spinal and a pair of posterior spinal arteries via spinal medullary arteries

Spinal anastomoses are rich and involve an arterial vasocorona

Radicular arteries may also contribute, following nerve roots to the cor