MeSH Browser

MeSH Heading: Memory Engram
Tree Number(s): F02.463.425.540.229; G11.561.638.356
Unique ID: D000099418
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D000099418
Scope Note: Groups of NEURONS (neuronal ensembles) activated during LEARNING that undergo long-lasting physical and functional changes (the memory trace) that encode a specific memory. Reactivation of these ensembles is commonly associated with successful MENTAL RECALL.
Entry Term(s): Engram; Memory Trace; Neural Engram; Neuronal Engram
Previous Indexing: Memory (1986-2026)
Public MeSH Note: 2027
History Note: 2027
Date Introduced: 2027/01/01
Last Updated: 2027/01/01

Allowable Qualifiers: drug effects (DE)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Concept UI: M000769636
Scope Note: Groups of NEURONS (neuronal ensembles) activated during LEARNING that undergo long-lasting physical and functional changes (the memory trace) that encode a specific memory. Reactivation of these ensembles is commonly associated with successful MENTAL RECALL.
Terms: Memory Engram Preferred Term
Term UI T001151359
Date02/18/2026
LexicalTag NON
ThesaurusID NLM (2027); Engram
Term UI T001151433
Date02/27/2026
LexicalTag NON
ThesaurusID NLM (2027); Neural Engram
Term UI T001151376
Date02/23/2026
LexicalTag NON
ThesaurusID NLM (2027); Neuronal Engram
Term UI T001151377
Date02/23/2026
LexicalTag NON
ThesaurusID NLM (2027)

Memory Engram MeSH Descriptor Data 2027