英语词汇“tegmentum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tegmentum

/tɛɡˈmɛntəm

noun (plural tegmenta /tɛɡˈmɛntə/) Anatomy

A region of grey matter on either side of the cerebral aqueduct in the midbrain.A thin, transversely oriented ribbon of fibers, the medial lemniscus, ascends from the lower brainstem into the midbrain tegmentum where it occupies a ventrolateral position....

Ascending from the medulla and curving dorsolaterally into the tegmentum of the midbrain is the medial lemniscus, on its way to the thalamus.
The lateral and medial lemnisci are gathered together in a large bundle that passes around the dorsolateral surface of the superior cerebellar peduncle to reach the midbrain tegmentum.

Derivatives

tegmental

adjective ...

These effects have been suggested to be involved in depression of the excitability of the vagal sensory axons and the dopaminergic neuron in the ventral tegmental area of the brain.
Activation of dopamine D 2 like receptors is known to inhibit the activity of dopaminergic neurons in the ventral tegmental area of the brain.
Changes that have been observed in association with chronic administration of opioids include physical atrophy of dopamine-producing neurons in the ventral tegmental area.

Origin

Mid 19th century: from Latin, variant of tegumentum 'tegument'.

单词	tegmentum
释义	tegmentum /tɛɡˈmɛntəm / noun (plural tegmenta /tɛɡˈmɛntə/) Anatomy A region of grey matter on either side of the cerebral aqueduct in the midbrain.A thin, transversely oriented ribbon of fibers, the medial lemniscus, ascends from the lower brainstem into the midbrain tegmentum where it occupies a ventrolateral position.... Ascending from the medulla and curving dorsolaterally into the tegmentum of the midbrain is the medial lemniscus, on its way to the thalamus. The lateral and medial lemnisci are gathered together in a large bundle that passes around the dorsolateral surface of the superior cerebellar peduncle to reach the midbrain tegmentum. Derivatives tegmental adjective ... These effects have been suggested to be involved in depression of the excitability of the vagal sensory axons and the dopaminergic neuron in the ventral tegmental area of the brain. Activation of dopamine D 2 like receptors is known to inhibit the activity of dopaminergic neurons in the ventral tegmental area of the brain. Changes that have been observed in association with chronic administration of opioids include physical atrophy of dopamine-producing neurons in the ventral tegmental area. Origin Mid 19th century: from Latin, variant of tegumentum 'tegument'.
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