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Related to tegmentum: tegmentum of midbrain


 (tĕg-mĕn′təm) Anatomy
1. A covering or integument of an organ or body part.
2. The ventral part of the midbrain.

[Latin tegumentum, tegmentum, covering, from tegere, to cover; see (s)teg- in Indo-European roots.]

teg·men′tal (-təl) adj.


one of the hard protective sometimes hairy or resinous specialized leaves surrounding the buds of certain plantsa part of the brainstem that covers the floor of the midbrain
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References in periodicals archive ?
Tegmentum coarsely sculptured, with rather irregular, roundish and obliquely elevated granules, arranged in longitudinal series, obliquely directed in antemucronal area, radially in postmucronal area.
In the Braak system, stages 1 and 2 in Lewy body pathology involve the medulla oblongata, the pontine tegmentum in the pons, the olfactory bulb, and the anterior olfactory nucleus adjacent to the bulb (Braak et al, 2004).
Cholinergic neurons in the basal forebrain and brain stem pedunculopontine tegmentum (PPT) areas project and diffusely innervate the entire neocortex, amygdala, hippocampus, thalamus, and the midbrain (1).
it is produced as a result of high signal intensity in the tegmentum with preserved normal signal intensity in the red nuclei (eyes of the panda) and lateral portion of the pars reticulata of the substantia nigra (ears of the panda), and hypointensity of the superior colliculi (chin of the panda).
Bazal ganglia-beyinsapi iliskili mezopontin tegmentum, uyku uyaniklik durumunun regulasyonunda ritmik bacak hareketi gibi motor bazi hareketlerde gorevli oldugu gosterilmistir (8).
Downregulation of kappa opioid receptor mRNA levels by chronic ethanol and repetitive cocaine in rat ventral tegmentum and nucleus accumbens.
The periaqueductal gray (PAG), dorsolateral pontine tegmentum (DLPT), and rostroventral medulla (RVM) are the key regions of the brain involved in this descending pain modulation.
it has been shown that fever causes necrotizing encephalopathy affecting the thalamus, hypothalamus, brainstem tegmentum, cerebral white matter, and cerebellum (16).
res] correlated with overall more intensive vacuolation that is pronounced in areas such as the hypothalamus, medial thalamus, and mesencephalic tegmentum (Figure 6).
Significant data support that virtually every abused drug can induce behavioral reinforcing properties by altering function in brain dopamine circuits, arising from the ventral tegmentum in the midbrain.
The fascicular axons of the 6th nerve leave the nucleus and travel through the pontine tegmentum in an anterior and caudal direction, intersecting descending cortico-spinal axons of the pyramidal tract, before emerging at the junction between the pons and medulla, immediately lateral to the pyramidal axon bundles.