Pachytene Stage MeSH Descriptor Data 2025

MeSH Heading: Pachytene Stage
Tree Number(s): G04.144.220.220.687.883.750; G04.144.220.220.781.906.750; G05.113.220.687.883.750; G05.113.220.781.906.750
Unique ID: D049471
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D049471
Scope Note: The stage in the first meiotic prophase, following ZYGOTENE STAGE, when CROSSING OVER between homologous CHROMOSOMES begins.
Entry Term(s): Pachynema
See Also: Crossing Over, Genetic
Public MeSH Note: 2005
History Note: 2005
Date Established: 2005/01/01
Date of Entry: 2004/07/07
Revision Date: 2016/06/17

Allowable Qualifiers: drug effects (DE)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Cell Physiological Phenomena [G04]
- Cell Cycle [G04.144]
  - Cell Division [G04.144.220]
    - Cell Nucleus Division [G04.144.220.220]
      - Meiosis [G04.144.220.220.687]
        
        Prophase [G04.144.220.220.687.883]
        
        Chromosome Pairing [G04.144.220.220.687.883.250]
        
        Pachytene Stage [G04.144.220.220.687.883.750]

Cell Physiological Phenomena [G04]
- Cell Cycle [G04.144]
  - Cell Division [G04.144.220]
    - Cell Nucleus Division [G04.144.220.220]
      - Mitosis [G04.144.220.220.781]
        
        Prophase [G04.144.220.220.781.906]
        
        Chromosome Pairing [G04.144.220.220.781.906.250]
        
        Pachytene Stage [G04.144.220.220.781.906.750]

Genetic Phenomena [G05]
- Cell Division [G05.113]
  - Cell Nucleus Division [G05.113.220]
    - Meiosis [G05.113.220.687]
      - Prophase [G05.113.220.687.883]
        
        Chromosome Pairing [G05.113.220.687.883.250]
        
        Pachytene Stage [G05.113.220.687.883.750]

Genetic Phenomena [G05]
- Cell Division [G05.113]
  - Cell Nucleus Division [G05.113.220]
    - Mitosis [G05.113.220.781]
      - Prophase [G05.113.220.781.906]
        
        Chromosome Pairing [G05.113.220.781.906.250]
        
        Pachytene Stage [G05.113.220.781.906.750]

Pachytene Stage Preferred

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