Phenomena and Processes

S Phase

Phase of the CELL CYCLE following G1 and preceding G2 when the entire DNA content of the nucleus is replicated. It is achieved by bidirectional replication at multiple sites along each chromosome.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Phase of the CELL CYCLE following G1 and preceding G2 when the entire DNA content of the nucleus is replicated. It is achieved by bidirectional replication at multiple sites along each chromosome.

MeSH Record

Classification

Broader headings

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MeSH Record

See Also

MeSH Record

Synonyms

7 entry terms
  • S Period
  • Period, S
  • Periods, S
  • Phase, S
  • Phases, S
  • S Periods
  • S Phases

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings drug effects, genetics, immunology, physiology, radiation effects.

MeSH Record

History Note

91; was S PERIOD see INTERPHASE 1981-90

MeSH Record

Previous Indexing

  • Cell Division (1966-1977)
  • Interphase (1978-1990)

MeSH Hierarchy

Tree Numbers

  1. G02.111.225w.880w
  2. G04.144w.500w.800w
  3. G05.226w.880w

AMA Style

References

  1. National Library of Medicine. S Phase. Medical Subject Headings (MeSH). 2026. Unique ID D016196. http://id.nlm.nih.gov/mesh/2026/D016196
  2. S Phase. In: Wikipedia. https://en.wikipedia.org/wiki/S_phase
  3. S Phase. In: Wikidata. https://www.wikidata.org/wiki/Q2289513