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Neuroanatomy is the study of the structure and organization of the nervous system. In contrast to animals with radial symmetry , whose nervous system consists of a distributed network of cells, animals with bilateral symmetry have segregated, defined nervous systems.
In human neuroanatomy the word is somewhat distorted, becoming synonymous with "superior" in the forebrain, i.e. in the direction of the roof of the cranial cavity"cranial cavity and thence to the body. "Ventral" in the central nervous system also refers to the rostro-caudal axis, which changes within the head.
The human brain anatomical regions are ordered following standard neuroanatomy hierarchies. Functional , connective , and developmental regions are listed in parentheses where appropriate. Hindbrain (rhombencephalon)
The following diagram is provided as an overview of and topical guide to the human nervous system: Human nervous system. Human nervous system – the part of the human body that coordinates a person's voluntary and involuntary actions and transmits signals between different parts of the body.
Anatomical terms of neuroanatomy [ edit on Wikidata ] 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 .
Also, functional neuroanatomy uses medical imaging techniques to correlate variations in human brain structure with differences in cognition or behavior. [122] Neurophysiologists study the chemical, pharmacological, and electrical properties of the brain: their primary tools are drugs and recording devices.
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The descending upper fibers from the internal capsule continue on through the midbrain and are then seen as the fibers in the cerebral peduncles. [5] The corticopontine fibers are found in the outer and inner third of the cerebral peduncle, these are the cortical input to the pontine nuclei. [6]