What is the Denticulate ligament?

Denticulate ligaments (purple) are bilateral thickenings of the collagen component of pia mater. Periodically each denticulate ligament has a lateral extension that attaches to dura mater and thus provides a means of suspending the spinal cord in subarachnoid fluid within the subarachnoid space.

What is Denticulate ligament and its function?

The denticulate ligaments are traditionally believed to provide stability for the spinal cord against motion within the vertebral column.

How many process are there in Ligamentum Denticulatum?

a serrated, shelflike extension of the spinal pia mater projecting in a frontal plane from either side of the cervical and thoracic spinal cord; its approximately 21 pointed processes fuse laterally with the arachnoid and dura mater midway between the exits of the roots of adjacent spinal nerves, with the highest …

How many pairs of Denticulate ligament are there?

The denticulate ligaments (DL), 20 or 21 pairs of meningeal extensions, spread from the lateral aspect of the spinal cord to the internal aspect of the spinal dura mater.

Which structures are separated by the denticulate ligaments?

Spinal Meninges This dural sac is separated from the vertebrae by the epidural space. The spinal cord, in turn, is attached to the dural sac by the laterally placed denticulate ligaments and by the filum terminale internum.