| 单词 | hypothalamus |
| 释义 | hypothalamus[ hahy-puh-thal-uh-muhs ] / ˌhaɪ pəˈθæl ə məs / noun, plural hy·po·thal·a·mi [hahy-puh-thal-uh-mahy]. /ˌhaɪ pəˈθæl əˌmaɪ/. Anatomy.a region of the brain, between the thalamus and the midbrain, that functions as the main control center for the autonomic nervous system by regulating sleep cycles, body temperature, appetite, etc., and that acts as an endocrine gland by producing hormones, including the releasing factors that control the hormonal secretions of the pituitary gland. Origin of hypothalamusFrom New Latin, dating back to 1895–1900; see origin at hypo-, thalamus OTHER WORDS FROM hypothalamushy·po·tha·lam·ic [hahy-poh-thuh-lam-ik, hip-oh-], /ˌhaɪ poʊ θəˈlæm ɪk, ˌhɪp oʊ-/, adjectiveWords nearby hypothalamushypotensor, hypotenuse, hypoth., hypothalamic infundibulum, hypothalamohypophysial portal system, hypothalamus, hypothallus, hypothec, hypotheca, hypothecary, hypothecate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for hypothalamus
British Dictionary definitions for hypothalamushypothalamus / (ˌhaɪpəˈθæləməs) / noun plural -mi (-ˌmaɪ)a neural control centre at the base of the brain, concerned with hunger, thirst, satiety, and other autonomic functions Derived forms of hypothalamushypothalamic (ˌhaɪpəθəˈlæmɪk), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for hypothalamushypothalamus [ (heye-puh-thal-uh-muhs) ] The part of the brain that controls hunger, thirst, and body temperature and regulates various activities in the body connected with metabolism, including the maintaining of water balance. The hypothalamus also controls the action of the pituitary gland. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for hypothalamushypothalamus [ hī′pō-thăl′ə-məs ] n.The part of the brain that lies below the thalamus, forming the major portion of the ventral region of the diencephalon, and that regulates bodily temperature, certain metabolic processes, and other autonomic activities. Other words from hypothalamushy′po•tha•lam′ic (-thə-lăm′ĭk) adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for hypothalamushypothalamus [ hī′pō-thăl′ə-məs ] The part of the brain in vertebrate animals that lies below the thalamus and cerebrum. The hypothalamus controls the autonomic nervous system and the secretion of hormones by the pituitary gland. Through these nerve and hormone channels, the hypothalamus regulates many vital biological processes, including body temperature, blood pressure, thirst, hunger, and the sleep-wake cycle. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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