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The bases of denticulate ligaments arise in the pia mater and are firmly attached to the arachnoid mater and dura mater at the apex. [2] The denticulate ligaments extend across the subarachnoid space between anterior nerve roots and posterior nerve roots, piercing the intervening spinal arachnoid mater to reach the dura.
The pia mater attaches to the dura mater through 21 pairs of denticulate ligaments that pass through the arachnoid mater and dura mater of the spinal cord. These denticular ligaments help to anchor the spinal cord and prevent side to side movement, providing stability. [10]
The pia mater is the innermost protective layer. It is very delicate and it is tightly associated with the surface of the spinal cord. The cord is stabilized within the dura mater by the connecting denticulate ligaments, which extend from the enveloping pia mater laterally between the dorsal and ventral roots.
Collateral ligament of interphalangeal joints of hand; Cooper's ligaments; Coronary ligament; Costotransverse ligament; ... Denticulate ligaments; Dorsal cuneocuboid ...
Human cranial arachnoid trabeculae are made mostly of type I collagen. [4] [5] A study of 7 post-mortem human brains found that average trabecula fiber width was 30μm, and the average volume fraction was 26%.
The cistern of lateral cerebral fossa [1] (also cistern of the lateral sulcus, or Sylvian cistern [2]) is an elongated [3] subarachnoid cistern formed by arachnoid mater bridging the lateral sulcus between the frontal, temporal, and parietal opercula.
The subarachnoid cisterns are spaces formed by openings in the subarachnoid space, an anatomic space in the meninges of the brain. [1] The space is situated between the two meninges, the arachnoid mater and the pia mater.
The arachnoid mater is named after the Greek word arachne ("spider"), the suffix -oid ("in the image of"), and the Latin word mater ("mother"), because of the fine spider-web–like appearance of the delicate fibres of the arachnoid (arachnoid trabeculae) which extend down through the subarachnoid space and attach to the pia mater.