ventrolateral

[ven-troh-lat-er-uhl]

adjective

Anatomy, Zoology.

1. of, relating to, or affecting the front and side.

Other Word Forms

• ventrolaterally adverb

Word History and Origins

Origin of ventrolateral¹

First recorded in 1825–35; ventro- + lateral

Example Sentences

The second area—cumbersomely dubbed the ventrolateral part of the ventromedial hypothalamus, or VMHvl—is associated with aggression.

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Specifically, the improved emotion regulation ability following the training was associated with changes in activation of a region of the brain called the ventrolateral prefrontal cortex.

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Scientists now have concrete evidence that two groups of cells—the ventrolateral preoptic nucleus in the hypothalamus and the parafacial zone in the brain stem—are involved in prompting SWS.

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The results showed that elderly people and Alzheimer's patients have a substantial decline in what are called ventrolateral preoptic neurons, and that loss of these brain cells is associated with sleep problems.

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"These findings provide the first evidence that the ventrolateral preoptic nucleus in humans probably plays a key role in causing sleep, and functions in a similar way to other species that have been studied," Saper said.

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