Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D046911
http://purl.bioontology.org/ontology/MESH/D046911
Preferred Name

Macromolecular Substances

Definitions
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.
Synonyms
Substances, Macromolecular
Compounds, Macromolecular
Macromolecular Complexes
Macromolecular Compounds and Complexes
Complexes, Macromolecular
Macromolecular Compounds
Type http://www.w3.org/2002/07/owl#Class
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