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sigma

sigma In this source, sigma refers to sigma receptors, a type of cell membrane receptor that can bind several psychoactive substances, including some opioids, and affect changes inside cells.

In this source, sigma refers to sigma receptors, a type of cell membrane receptor that can bind several psychoactive substances, including some opioids, and affect changes inside cells. Unlike the main opioid receptor classes, their natural endogenous ligands are not known from the information provided here.

Also see

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Receptors, Opioid” (D011957).
public-domain-US-government · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: f4339837e5ce728d59229737271179cfc45f7c4c2318205c617937116f54440b

These citations identify the drafting sources. 2/2 independent reader passes against the pinned source packet. The drafter does not count as a reader. Source institutions do not endorse this dictionary.

Cite this entry

PsychTerms (psychterms.org), CC BY 4.0, version 1. “sigma.” Development preview.

Version 1 · SHA-256: 823ec6e193da65c087d7a68b423deeb1f6bb032ada176bfd8bf7d8111031714e

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