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The internal capsule is a paired white matter structure, as a two-way tract, carrying ascending and descending fibers, to and from the cerebral cortex. The internal capsule is situated in the inferomedial part of each cerebral hemisphere of the brain .
Thalamocortical fibers (TC fibers) have been referred to as one of the two constituents of the isothalamus, the other being microneurons.Thalamocortical fibers have a bush or tree-like appearance as they extend into the internal capsule and project to the layers of the cortex.
Thalamic nuclei have strong reciprocal connections with the cerebral cortex, forming thalamo-cortico-thalamic circuits that are believed to be involved with consciousness. [36] [37] The thalamus plays a major role in regulating arousal, the level of awareness, and activity. Damage to the thalamus can lead to permanent coma. [38]
Pontine nuclei; Pontine cranial nerve nuclei. Chief or pontine nucleus of the trigeminal nerve sensory nucleus (V); Motor nucleus for the trigeminal nerve (V); Abducens nucleus (VI) ...
The thalamic reticular nucleus is part of the ventral thalamus that forms a capsule around the thalamus laterally. However, recent evidence from mice and fish question this statement and define it as a dorsal thalamic structure. [1] [2] It is separated from the thalamus by the external medullary lamina.
This traditional list does not accord strictly with human thalamic anatomy. Nuclear groups of the thalamus include: . anterior nuclear group [1] (anteroventral, [2] anterodorsal, [3] anteromedial [4])
Clinical manifestations of intraparenchymal hemorrhage are determined by the size and location of hemorrhage, but may include the following: [citation needed] Hypertension, fever, or cardiac arrhythmias
The direct pathway passes through the caudate nucleus, putamen, and globus pallidus, which are parts of the basal ganglia.It also involves another basal ganglia component the substantia nigra, a part of the midbrain. [2]