Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Sperm Midpiece MeSH Descriptor Data 2026


MeSH Heading
Sperm Midpiece
Tree Number(s)
A05.360.490.890.830
A11.497.760.450
Unique ID
D032961
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D032961
Scope Note
The middle piece of the spermatozoon is a highly organized segment consisting of MITOCHONDRIA, the outer dense fibers and the core microtubular structure.
Previous Indexing
Spermatozoa (1975-2002)
Public MeSH Note
2003
History Note
2003
Date Introduced
2003/01/01
Last Updated
2003/01/01
Sperm Midpiece Preferred
page delivered in 0.18s