Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Plural form of orexin.

Etymologies

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Examples

  • Sometimes reduced food intake can trigger brain chemicals such as neuropeptide Y, orexins and melanin-concentrating hormone that make us more likely to want sweet things.

    Monday, February 18, 2008 | Lifehacker Australia 2008

  • Sometimes reduced food intake can trigger brain chemicals such as neuropeptide Y, orexins and melanin-concentrating hormone that make us more likely to want sweet things.

    Monday, February 18, 2008 | Lifehacker Australia 2008

  • Modafinil was thought to promote wakefulness by increasing responses to brain hormones called orexins.

    Latest Articles Nature News 2009

  • Some of the important substances within the brain that are critical for proper rest include melatonin, produced by the pineal gland at the base of the brain, which is the master regulator for the body’s sleep-wake circadian rhythms; and orexins, recently discovered peptides present in many regions of the brain that help maintain wakefulness.

    The Source Woodson Merrell 2008

  • Some of the important substances within the brain that are critical for proper rest include melatonin, produced by the pineal gland at the base of the brain, which is the master regulator for the body’s sleep-wake circadian rhythms; and orexins, recently discovered peptides present in many regions of the brain that help maintain wakefulness.

    The Source Woodson Merrell 2008

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