Anatomy
mesencephalon
mes·en·ceph·a·lon [ mes-en-sef-uh-lon, -luhn, mez- ]
Subclass of:
Brain Stem
Etymology:
Greek mesos = middle + enkephalon = brain (from en = in + kephale = head)
Definitions related to midbrain:
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Organ component of neuraxis that has as its parts the tectum, cerebral peduncle, midbrain tegmentum and cerebral aqueduct. Examples: There is only one midbrain.Foundational Model of AnatomyUniversity of Washington, 2017
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The portion of the brainstem between the pons and diencephalon.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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(mesencephalon) Develops from the middle of the 3 primary vesicles of the embryonic neural tube, between the prosencephalon and rhombencephalon, later forming the tectum and cerebral peduncles.CRISP ThesaurusNational Institutes of Health, 2006
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(mesencephalon) The middle of the three primitive cerebral vesicles of the embryonic brain. Without further subdivision, midbrain develops into a short, constricted portion connecting the PONS and the DIENCEPHALON. Midbrain contains two major parts, the dorsal TECTUM MESENCEPHALI and the ventral TEGMENTUM MESENCEPHALI, housing components of auditory, visual, and other sensorimoter systems.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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(mesencephalon) The uppermost portion of the brainstem located between the pons and the diencephalon. The midbrain contains the cerebral peduncles, oculomotor, trochlear and red nuclei, substantia nigra and various other nuclei and tracts.NCI ThesaurusU.S. National Cancer Institute, 2021
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Midbrain, region of the developing vertebrate brain that is composed of the tectum and tegmentum. The midbrain serves important functions in motor movement, particularly movements of the eye, and in auditory and visual processing. It is located within the brainstem and between the two other...Encyclopedia Britannica, Inc., 2020
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