part of develops from midbrain midbrain tegmentum BAMS:MTg ZFA:0000160 tegmentum mesencephali TAO:0000160 BTO:0003388 DHBA:12195 EHDAA2:0004475 mesencephalic tegmentum BIRNLEX:1200 FMA:62393 HBA:9002 MTg 'tegmentum' is used generically for the ventral part of the brainstem (ISBN:0471888893). We use the label 'midbrain tegmentum' to denote the midbrain structure. In NIFSTD tegmentum is a composite structure and there is a separate class for midbrain tegmentum and pontine tegmentum XAO:0004271 Wikipedia:Midbrain_tegmentum tegmentum of midbrain tegmentum mesencephalicum Ventral part of the midbrain, separated from the hindbrain by the isthmus[ISBN:0471888893]. Subdivision of the midbrain lying anterior to the tectum and posterior to the substantia nigra and cerebral peduncle[FMA] The part of the midbrain extending from the substantia nigra to the cerebral aqueduct in a horizontal section of the midbrain. It forms the floor of the midbrain that surrounds the cerebral aqueduct[WP]. MA:0000212 EFO:0000921 EMAPA:18215 SCTID:362392007 VHOG:0001367 tegmentum MAT:0000452 brainstem regional part of brain midbrain basal plate