Definition of orexin in US English:

orexin

noun ôˈreksinôˈreksin

Either of two hormones (orexin-A or orexin-B) produced by the mammalian hypothalamus and functional in the regulation of appetite and sleep.
Also called hypocretin
Example sentencesExamples
- Human narcolepsy generally stems from a shortage of the neurons, which produce the excitatory neurotransmitter known both as hypocretin and orexin.
- The lateral hypothalamus contains cells that secrete a protein neurotransmitter called ‘orexin’ or ‘hypocretin.’
- For example, physical activity increased in rats when injected with orexin, a brain chemical associated with sexual arousal.
- Orexin A is a promising candidate to become a "sleep replacement" drug.
- Orexin neurons are exclusively localized in the lateral hypothalamic area and project their fibers to the entire central nervous system.

Definition of orexin in US English:

orexin

nounôˈreksin

Either of two hormones (orexin-A or orexin-B) produced by the mammalian hypothalamus and functional in the regulation of appetite and sleep.
Also called hypocretin
Example sentencesExamples
- Orexin neurons are exclusively localized in the lateral hypothalamic area and project their fibers to the entire central nervous system.
- Human narcolepsy generally stems from a shortage of the neurons, which produce the excitatory neurotransmitter known both as hypocretin and orexin.
- Orexin A is a promising candidate to become a "sleep replacement" drug.
- The lateral hypothalamus contains cells that secrete a protein neurotransmitter called ‘orexin’ or ‘hypocretin.’
- For example, physical activity increased in rats when injected with orexin, a brain chemical associated with sexual arousal.

单词	orexin
释义	Definition of orexin in US English: orexin noun ôˈreksinôˈreksin Either of two hormones (orexin-A or orexin-B) produced by the mammalian hypothalamus and functional in the regulation of appetite and sleep. Also called hypocretin Example sentencesExamples Human narcolepsy generally stems from a shortage of the neurons, which produce the excitatory neurotransmitter known both as hypocretin and orexin. The lateral hypothalamus contains cells that secrete a protein neurotransmitter called ‘orexin’ or ‘hypocretin.’ For example, physical activity increased in rats when injected with orexin, a brain chemical associated with sexual arousal. Orexin A is a promising candidate to become a "sleep replacement" drug. Orexin neurons are exclusively localized in the lateral hypothalamic area and project their fibers to the entire central nervous system. Definition of orexin in US English: orexin nounôˈreksin Either of two hormones (orexin-A or orexin-B) produced by the mammalian hypothalamus and functional in the regulation of appetite and sleep. Also called hypocretin Example sentencesExamples Orexin neurons are exclusively localized in the lateral hypothalamic area and project their fibers to the entire central nervous system. Human narcolepsy generally stems from a shortage of the neurons, which produce the excitatory neurotransmitter known both as hypocretin and orexin. Orexin A is a promising candidate to become a "sleep replacement" drug. The lateral hypothalamus contains cells that secrete a protein neurotransmitter called ‘orexin’ or ‘hypocretin.’ For example, physical activity increased in rats when injected with orexin, a brain chemical associated with sexual arousal.
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