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 (mĕz′ĕn-sĕf′ə-lŏn′, mĕs′-)
The midbrain.

mes′en·ce·phal′ic (-sə-făl′ĭk) adj.
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Pharmacological inhibition of neuronal NADPH oxidase protects against 1methyl-4- phenylpyridinium (MPP+)-induced oxidative stress and apoptosis in mesencephalic dopaminergic neuronal cells.
res] correlated with overall more intensive vacuolation that is pronounced in areas such as the hypothalamus, medial thalamus, and mesencephalic tegmentum (Figure 6).
29) In avian patients, postmortem findings consistent with hydrocephalus include expanded subarachnoid spaces within the brain, cerebral atrophy, and marked dilatation of the third ventricle and ventricle of the mesencephalic tectum.
Analysis covers the following EEG abnormalities, reflecting the status of deep structures at various levels: generalized bilateral synchronic abnormalities of diencephalic, mesencephalic, metencephalic, frontobasal and limbic origin.
During NREM sleep and wakefulness these neurons in the SLD would be inhibited (hyper-polarized) by tonic GABA-ergic input from GABA-ergic REM-off neurons located in the SLD, deep mesencephalic and pontine reticular nuclei, and ventrolateral peri-aqueductal gray (V1PAG) as well as by monoaminergic REM-off neurons.
Acetylcholine neurotransmission is widespread throughout the brain and can affect multiple neurotransmitter systems including the mesencephalic dopamine system.
Caspase inhibitors attenuate 1-rnethyl-4-phenylpyridinium toxicity in primary cultures of mesencephalic dopaminergic neurons.
10 Transplantation of human dopamine neurons in the brain, (to be more precise, the CT guided stereotactic placement of embryonic mesencephalic tissue in the putamen or putamen and caudate region), has resulted in a marked clinical improvement in patients suffering from Parkinsonism.
Specificity of amygdalostriatal interactions in the involvement of mesencephalic dopaminergic neurons in affective perception.
The descending pain modulation system runs parallel to the pain fibers, involving the cortical and diencephalic systems, mesencephalic systems (periaquaductal gray) to the nucleus rapine magnus which exerts an effect on the dorsal horn.