hypothalamus
noun
hy·po·thal·a·mus
ˌhī-pō-ˈtha-lə-məs 
: a basal part of the diencephalon that lies beneath the thalamus on each side, forms the floor of the third ventricle, and includes vital autonomic regulatory centers
Examples of hypothalamus in a Sentence
Recent Examples on the Web
Sucralose increased brain activity in the hypothalamus and increased feelings of hunger compared with drinking sugar.
—
Tom Gavin, EverydayHealth.com, 2 Apr. 2025
Sucralose increased brain activity in the hypothalamus and feelings of hunger compared to sugar, especially in participants with obesity.
—Paul Du Quenoy, MSNBC Newsweek, 27 Mar. 2025
Melatonin from supplements targets the suprachiasmatic nucleus (SCN) of the hypothalamus in your brain to promote sleep.
—Elizabeth Barnes, Verywell Health, 19 Mar. 2025
Estrogens are also produced by central nervous system cells such as those found in the brain's hypothalamus.
—Michael Franco, New Atlas, 19 Feb. 2025
See All Example Sentences for hypothalamus
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Tom Gavin, EverydayHealth.com, 2 Apr. 2025
Sucralose increased brain activity in the hypothalamus and feelings of hunger compared to sugar, especially in participants with obesity.
—Paul Du Quenoy, MSNBC Newsweek, 27 Mar. 2025
Melatonin from supplements targets the suprachiasmatic nucleus (SCN) of the hypothalamus in your brain to promote sleep.
—Elizabeth Barnes, Verywell Health, 19 Mar. 2025
Estrogens are also produced by central nervous system cells such as those found in the brain's hypothalamus.
—Michael Franco, New Atlas, 19 Feb. 2025
See All Example Sentences for hypothalamus
Cite this Entry
“Hypothalamus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypothalamus. Accessed 12 Apr. 2025.
Copy CitationKids Definition
hypothalamus
noun
hy·po·thal·a·mus
ˌhī-pō-ˈthal-ə-məs
: a part of the brain that lies beneath the thalamus, produces hormones which pass to the front part of the pituitary gland, and is important in regulating the activities of the autonomic nervous system
Medical Definition
hypothalamus
noun
hy·po·thal·a·mus
-ˈthal-ə-məs
plural hypothalami
-ˌmī
: a basal part of the diencephalon that lies beneath the thalamus on each side, forms the floor of the third ventricle, and includes vital autonomic regulatory centers (as for the control of food intake)
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