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Function. The diencephalon is the region of the embryonic vertebrate neural tube that gives rise to anterior forebrain structures including the thalamus, hypothalamus, posterior portion of the pituitary gland, and the pineal gland. The diencephalon encloses a cavity called the third ventricle. The thalamus serves as a relay centre for sensory ...
NeuroLex ID. nlx_86272. Anatomical terms of neuroanatomy. [edit on Wikidata] The fields of Forel are areas in a deep part of the brain known as the diencephalon. They are below the thalamus and consist of three defined, white matter areas of the subthalamus. These three regions are also named "H fields":
1° (Free nerve ending → A delta fiber) → 2° (Anterior white commissure → Lateral and Anterior Spinothalamic tract → Spinal lemniscus → VPL of Thalamus) → 3° (Postcentral gyrus) → 4° (Posterior parietal cortex) 2° (Spinomesencephalic tract → Superior colliculus of Midbrain tectum) Slow /medial.
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 ...
Anatomy. The thalamus is a paired structure of gray matter about four centimetres long, located in the forebrain which is superior to the midbrain, near the center of the brain with nerve fibers projecting out to the cerebral cortex in all directions. Each of the thalami may be subdivided into at least 30 nuclei, giving a total of at least 60 ...
Coronal section of brain through intermediate mass of third ventricle. (Label "Corpora mamillaria" at bottom.) The mammillary bodies also mamillary bodies, are a pair of small round brainstem nuclei. [2] They are located on the undersurface of the brain that, as part of the diencephalon, form part of the limbic system.
Coronal slices of human brain showing the basal ganglia, subthalamic nucleus (STN) and substantia nigra (SN). STN is in subthalamus; SN is not. The subthalamus or ventral thalamus is a part of the diencephalon. [1] Its most prominent structure is the subthalamic nucleus. The subthalamus connects to the globus pallidus, a subcortical nucleus of ...
The cerebrum is the largest part of the brain. Depending upon the position of the animal, it lies either in front or on top of the brainstem. In humans, the cerebrum is the largest and best-developed of the five major divisions of the brain. The cerebrum is made up of the two cerebral hemispheres and their cerebral cortices (the outer layers of ...