Minimal anatomical terminology
Mass spectrometry
NCBI organismal classification
Mosquito gross anatomy
Experimental Factor Ontology
NIFSTD
Medaka fish anatomy and development
Cell line ontology
MedlinePlus Health Topics
Computer-based Patient Record Ontology
Neural ElectroMagnetic Ontologies
NCI Thesaurus
Galen
MGED Ontology
Xenopus anatomy and development
Biomedical Resource Ontology