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The brainstem, resembling a stalk, attaches to and leaves the cerebrum at the start of the midbrain area. The brainstem includes the midbrain, the pons, and the medulla oblongata. Behind the brainstem is the cerebellum (Latin: little brain). [7] The cerebrum, brainstem, cerebellum, and spinal cord are covered by three membranes called meninges.
In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata. [1] The midbrain is continuous with the thalamus of the diencephalon through the tentorial notch, and sometimes the diencephalon is included in the brainstem. [2] The brainstem is very small, making up around only 2.6 percent of the brain's total ...
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) ...
It extends across the dorsal tegmentum of all three parts of the brainstem, as well as reaching caudally into the upper cervical spinal cord levels. [ 3 ] : 451 Descending fibers arise from the superior colliculus in the rostral midbrain (for visual reflexes ), the accessory oculomotor nuclei in the rostral midbrain for visual tracking, and the ...
More than 100 pages use this file. The following list shows the first 100 pages that use this file only. A full list is available. A/S ratio; Anococcygeal nerve; Anterior ethmoidal nerve; Anterior lobe of cerebellum; Anterior superior alveolar nerve; Arbor vitae (anatomy) Archicortex; Arcuate nucleus (medulla) Brodmann area 12; Brodmann area 16 ...
Only the nucleus ruber and the dentate nucleus are shown in this diagram; the olivary nucleus is positioned on the lateral aspect of the brainstem. Palatal myoclonus The myoclonic triangle (also known by its eponym Triangle of Guillain-Mollaret or dentato-rubro-olivary pathway ) is an important feedback circuit of the brainstem and deep ...
The human cerebellum is located at the base of the brain, with the large mass of the cerebrum above it, and the portion of the brainstem called the pons in front of it. It is separated from the overlying cerebrum by a layer of tough dura mater called the cerebellar tentorium; all of its connections with other parts of the brain travel through the pons.
The cerebrum (pl.: cerebra), telencephalon or endbrain [1] is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb.