The Interaction ontology (IxnO) was developed to enable curation of chemical-gene and chemical-protein interactions for the Comparative Toxicogenomics Database (CTD). CTD is a...

A structured controlled vocabulary of concrete protein names and generic (abstract) protein names. This ontology is a INOH pathway annotation ontology, one of a set of...

A structured controlled vocabulary of pathway centric biological processes. This ontology is a INOH pathway annotation ontology, one of a set of ontologies intended to be used...

An application ontology for malaria extending the infectious disease ontology (IDO). Version 1.22 reshapes the "parasite organism" section.

The Human Phenotype Ontology is being developed to provide a structured and controlled vocabulary for the phenotypic features encountered in human hereditary and other disease....

This ontology represents concepts related to homology, as well as other concepts used to describe similarity and non-homology.

A structured controlled vocabulary for the anatomy of Gramineae. Please note that this ontology has now been superseded by the Plant Ontology.

A structured controlled vocabulary for describing cereal plant development and growth stages. Please note that this ontology has now been superseded by the Plant Ontology.

Provides structured controlled vocabularies for the annotation of gene products with respect to their molecular function, cellular component, and biological role. The Gene...

Gene Ontology Extension

FYPO is a formal ontology of phenotypes observed in fission yeast. FYPO is being developed to support the comprehensive and detailed representation of phenotypes in PomBase, the...

The taxonomy of the family Drosophilidae (largely after Baechli) and of other taxa referred to in FlyBase.

A structured controlled vocabulary of the development of Drosophila melanogaster.

A structured controlled vocabulary used for various aspects of annotation by FlyBase.This ontology is maintained by FlyBase for various aspects of annotation not covered, or not...

A structured controlled vocabulary of the anatomy of Drosophila melanogaster.

A structured controlled vocabulary of sample preparation, visualization and imaging methods used in biomedical research.

A structured controlled vocabulary for the anatomy of fungi.

Exposure Ontology. A draft ontology for exposure science.

Provides structured controlled vocabularies for the annotation of expressed sequences with respect to anatomical system, cell type, developmental stage, experimental technique,...

A structured controlled vocabulary for the representation of plant environmental conditions.

Ontology of environmental features and habitats

A structured controlled vocabulary of stage-specific anatomical structures of the mouse (Mus).

A structured controlled vocabulary of stage-specific anatomical structures of the human. It has been designed to mesh with the mouse anatomy and incorporates each Carnegie stage...

A structured controlled vocabulary of stage-specific anatomical structures of the human. It has been designed to mesh with the mouse anatomy and incorporates each Carnegie stage...

A structured controlled vocabulary of stage-specific anatomical structures of the human. It has been designed to mesh with the mouse anatomy and incorporates each Carnegie stage...