Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The top level CLO hierarchical structure and key ontology terms. Terms imported from other ontologies are indicated by the ontology abbreviations inside parentheses. Terms without an identified source are CLO terms. All the arrows indicate the ‘is_a’ relation except the explicitly labelled ‘has grain’ relation.
