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    Metathesaurus CPT Hierarchical TermsMetathesaurus CPT Hierarchical Terms
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    Medical Subject HeadingsMedical Subject Headings (MeSH);National Library of Medicine; 2011
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    Mass spectrometryA structured controlled vocabulary for the annotation of mass spectrometry experiments. Developed by the HUPO Proteomics Standards Initiative.
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    Mouse pathologyA structured controlled vocabulary of mutant and transgenic mouse pathology phenotypes
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    Mammalian phenotypeThe Mammalian Phenotype Ontology is under development as a community effort to provide standard terms for annotating mammalian phenotypic data.
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    Protein modificationPSI-MOD is an ontology consisting of terms that describe protein chemical modifications, logically linked by an is_a relationship in such a way as to form a direct acyclic graph...
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    MGED OntologyConcepts, definitions, terms, and resources for standardized description of a microarray experiment in support of MAGE v.1.
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    Measurement Method OntologyThe Measurement Method Ontology is designed to represent the variety of methods used to make qualitative and quantitative clincial and phenotype measurements both in the clinic...
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    Mosquito insecticide resistanceApplication ontology for entities related to insecticide resistance in mosquitos
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    Protein-protein interactionA structured controlled vocabulary for the annotation of experiments concerned with protein-protein interactions. Developed by the HUPO Proteomics Standards Initiative.
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    MaHCO - An MHC OntologyThe MaHCO contains terms necessary for describing and categorizing concepts related to MHC, in general, and for a number of model species, and also for humans.
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    Emotion OntologyAn ontology of affective phenomena such as emotions, moods, appraisals and subjective feelings, designed to support interdisciplinary research by providing unified annotations....
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    Medaka fish anatomy and developmentA structured controlled vocabulary of the anatomy and development of the Japanese medaka fish, Oryzias latipes.
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    Mental Functioning OntologyThe Mental Functioning Ontology is an ontology for mental functioning, including mental processes such as cognition and traits such as intelligence, and related diseases and...
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    MESH Thesaurus (OWL version)Medical Subjects Headings Thesaurus 2012, OWL version
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    MeGObacteriophage and plasmid reproduction and maintenance processes
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    MedlinePlus Health TopicsMedlinePlus Health Topics;National Library of Medicine;June 14, 2008;Bethesda, MD
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    MedDRAMedical Dictionary for Regulatory Activities Terminology (MedDRA)
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    Master Drug Data BaseMaster Drug Data Base, 2009_08_05
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    MIxS Controlled VocabulariesControlled vocabularies for the MIxS family of metadata checklists. See http://gensc.org/gc_wiki/index.php/MIxS for details on the MIxS checklists.
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    Cell line ontologyCell lines are key experimental models to understand protein interactions and signaling pathways. With a large pool of such data coming from different cell lines of different...
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    Cell line ontologyOntologies provide a common platform of controlled vocabulary for researchers who need to share information across a particular domain, inclusive of machine-interpretable...
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    Breast tissue cell linesContains a comprehensive list of cell lines derived from breast tissue, both normal and pathological. The ontology in built in OWL with cross relation to classes- genetic...
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    Minimal anatomical terminologyMinimal set of terms for anatomy
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    Multiple alignmentAn ontology for data retrieval and exchange in the fields of multiple DNA/RNA alignment, protein sequence and protein structure alignment.
