National Library of Medicine - Medical Subject Headings

2012 MeSH

MeSH Descriptor Data

Return to Entry Page

Standard View. Go to Concept ViewGo to Expanded Concept View

Acrosome
MeSH HeadingAcrosome
Tree NumberA05.360.490.890.820.100
Tree NumberA11.284.430.214.190.875.190.550.040
Tree NumberA11.497.760.400.100
Scope NoteThe cap-like structure covering the anterior portion of SPERM HEAD. Acrosome, derived from LYSOSOMES, is a membrane-bound organelle that contains the required hydrolytic and proteolytic enzymes necessary for sperm penetration of the egg in FERTILIZATION.
See AlsoAcrosome Reaction
Allowable QualifiersCH CL DE EN IM ME MI PA PH PS RA RE RI SE TR UL US VI
History Note91(75); was see under SPERMATOZOA 1975-90
Date of Entry19741111
Unique IDD000177


MeSH Tree Structures

 
Urogenital System [A05]
   Genitalia [A05.360]
      Germ Cells [A05.360.490]
         Spermatozoa [A05.360.490.890]
            Sperm Head [A05.360.490.890.820]
Arrow pointing to current tree nodeAcrosome [A05.360.490.890.820.100]

 
Cells [A11]
   Cellular Structures [A11.284]
      Intracellular Space [A11.284.430]
         Cytoplasm [A11.284.430.214]
            Cytoplasmic Structures [A11.284.430.214.190]
               Organelles [A11.284.430.214.190.875]
                  Cytoplasmic Vesicles [A11.284.430.214.190.875.190]
                     Lysosomes [A11.284.430.214.190.875.190.550]
Arrow pointing to current tree nodeAcrosome [A11.284.430.214.190.875.190.550.040]

 
Cells [A11]
   Germ Cells [A11.497]
      Spermatozoa [A11.497.760]
         Sperm Head [A11.497.760.400]
Arrow pointing to current tree nodeAcrosome [A11.497.760.400.100]

Return to Entry Page Link to NLM Cataloging Classification