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The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. [1] 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 ...
File:Skull and brain normal human.svg. Size of this PNG preview of this SVG file: 429 × 600 pixels. Other resolutions: 171 × 240 pixels | 343 × 480 pixels | 549 × 768 pixels | 732 × 1,024 pixels | 1,464 × 2,048 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
The locus coeruleus, which in Latin means "blue spot", is the principal site for brain synthesis of norepinephrine (noradrenaline). The locus coeruleus and the areas of the body affected by the norepinephrine it produces are described collectively as the locus coeruleus-noradrenergic system or LC-NA system. [3]
In neuroanatomy, the ventricular system is a set of four interconnected cavities known as cerebral ventricles in the brain. [1][2] Within each ventricle is a region of choroid plexus which produces the circulating cerebrospinal fluid (CSF). The ventricular system is continuous with the central canal of the spinal cord from the fourth ventricle ...
Anatomical terms of neuroanatomy. [edit on Wikidata] The raphe nuclei (Greek: ῥαφή, "seam") [1] are a moderate-size cluster of nuclei found in the brain stem. They have 5-HT1 receptors which are coupled with Gi/Go-protein -inhibiting adenyl cyclase. They function as autoreceptors in the brain and decrease the release of serotonin.
The visual cortex of the brain is the area of the cerebral cortex that processes visual information. It is located in the occipital lobe. Sensory input originating from the eyes travels through the lateral geniculate nucleus in the thalamus and then reaches the visual cortex. The area of the visual cortex that receives the sensory input from ...
MeSH. D009847. Anatomical terms of neuroanatomy. [edit on Wikidata] The olivary bodies or simply olives (Latin oliva and olivae, singular and plural, respectively) are a pair of prominent oval structures on either side of the medullary pyramids in the medulla, the lower portion of the brainstem. They contain the olivary nuclei.
75254. Anatomical terms of neuroanatomy. [edit on Wikidata] In neuroanatomy, the medullary pyramids are paired white matter structures of the brainstem 's medulla oblongata that contain motor fibers of the corticospinal and corticobulbar tracts – known together as the pyramidal tracts. The lower limit of the pyramids is marked when the fibers ...