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

Macromolecular Substances MeSH Descriptor Data 2026


MeSH Heading
Macromolecular Substances
Tree Number(s)
D05
Unique ID
D046911
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D046911
Annotation
general only; do not use as a routine coordinate with specific macromolecular substances
Scope Note
Compounds and molecular complexes that consist of very large numbers of atoms and are generally over 500 kDa in size. In biological systems macromolecular substances usually can be visualized using ELECTRON MICROSCOPY and are distinguished from ORGANELLES by the lack of a membrane structure.
Entry Term(s)
Macromolecular Complexes
Macromolecular Compounds
Macromolecular Compounds and Complexes
Registry Numbers
0
Public MeSH Note
2005; see MACROMOLECULAR SYSTEMS 1966-2004
History Note
2005
Date Introduced
2005/01/01
Last Updated
2010/06/25
Macromolecular Substances Preferred
Macromolecular Complexes Narrower
Macromolecular Compounds Narrower
page delivered in 0.149s