neuropeptide

noun

neu·​ro·​pep·​tide ˌnu̇r-ə-ˈpep-ˌtīd 

ˌnyu̇r-

: an endogenous peptide that influences neural activity or functioning

Examples of neuropeptide in a Sentence

Recent Examples on the Web

In terms of a mechanism, the rejection seems to decrease levels of a neuropeptide in the brain, which increases after mating, leading Heberlein et al. —ArsTechnica, 2 Apr. 2025

For instance, one study evaluated a facial serum containing neuropeptides, proteins, amino acids, and marine extract. —Kathleen Ferraro, Verywell Health, 12 Mar. 2025

Oxytocin is a neuropeptide produced in the hypothalamus and secreted by the pituitary gland during times of intimacy like hugging and breastfeeding. —Jennifer Borresen, USA TODAY, 14 Feb. 2025

No More Wrinkle Smoothing Cream targets expression lines (think forehead, crow’s feet, and between the brows) using neuropeptides to visibly soften their appearance. —Christa Joanna Lee, Allure, 18 Oct. 2024

Word History

First Known Use

1973, in the meaning defined above

Rhymes for neuropeptide

• acetamide
• acetonide
• acidified
• antimonide
• beatified
• benzaldehyde
• borohydride
• chalcogenide
• commodified
• decalcified
• declassified
• disaccharide

Medical Definition

neuropeptide

noun

neu·​ro·​pep·​tide ˌn(y)u̇r-ə-ˈpep-ˌtīd 

: an endogenous peptide (as an endorphin or an enkephalin) that influences neural activity or functioning