It is a large, cone-shaped mass of gray matter just lateral to the internal capsule.
From there, the axons cross the internal capsule as the comb system.
The two are sometimes considered parts of the same structure, separated by the white matter of the internal capsule.
They occur less commonly in the deep cerebral white matter, the anterior limb of the internal capsule, and the cerebellum.
In the midbrain, the internal capsule becomes the cerebral peduncles.
These are the features of a right sided stroke possibly within the internal capsule.
It can occur from damage to the thalamocortical fibers in the posterior limb of the internal capsule.
For instance, involvement of the internal capsule would lead to weakness in one or two limbs on one side of the body.
The anterior limb of internal capsule (or frontal part) contains:
The lenticulostriate arteries supply a substantial amount of the internal capsule.