| midbrain tegmentum | That major part of the substance of the mesencephalon or midbrain that extends from the substantia nigra to the level of the cerebral aqueduct. Synonym: tegmentum mesencephali, tegmentum, midbrain tegmentum. (05 Mar 2000) |
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| midbrain | <anatomy, neurology> The part of the brain above the pons and below the thalamus, it is the uppermost part of the brainstem, and is involved in basic, unconscious body function. (09 Oct 1997) |
| midbrain vesicle | <anatomy> The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain. Origin: NL. See Meso- and Encephalon. Source: Websters Dictionary (01 Mar 1998) |
| mesencephalic tegmentum | That major part of the substance of the mesencephalon or midbrain that extends from the substantia nigra to the level of the cerebral aqueduct. Synonym: tegmentum mesencephali, tegmentum, midbrain tegmentum. (05 Mar 2000) |
| rhombencephalic tegmentum | The portion of the pons continuous with the mesencephalic tegmentum; it consists of reticular formation, tracts, and cranial nerve nuclei, and forms the dorsal part of the pons (pars dorsalis pontis). Synonym: tegmentum rhombencephali, tegmentum of rhombencephalon. (05 Mar 2000) |
| tegmentum | Origin: L, a covering. <anatomy> A covering; applied especially to the bundles of longitudinal fibres in the upper part of the crura of the cerebrum. Source: Websters Dictionary (01 Mar 1998) |
| tegmentum mesencephali | That major part of the substance of the mesencephalon or midbrain that extends from the substantia nigra to the level of the cerebral aqueduct. Synonym: tegmentum mesencephali, tegmentum, midbrain tegmentum. (05 Mar 2000) |
| tegmentum of pons | The part of the pons bounded laterally by the middle cerebellar peduncles and anteriorly by the ventral part of pons; it is continuous with the tegmentum of the mesencephalon and contains long tracts such as the medial and lateral lemnisci, cranial nerve nuclei, and reticular formation. Synonym: pars dorsalis pontis, tegmentum of pons. (05 Mar 2000) |
| tegmentum of rhombencephalon | The portion of the pons continuous with the mesencephalic tegmentum; it consists of reticular formation, tracts, and cranial nerve nuclei, and forms the dorsal part of the pons (pars dorsalis pontis). Synonym: tegmentum rhombencephali, tegmentum of rhombencephalon. (05 Mar 2000) |
| tegmentum rhombencephali | The portion of the pons continuous with the mesencephalic tegmentum; it consists of reticular formation, tracts, and cranial nerve nuclei, and forms the dorsal part of the pons (pars dorsalis pontis). Synonym: tegmentum rhombencephali, tegmentum of rhombencephalon. (05 Mar 2000) |