Only the MeSH headings used in the annotation of phenotypes are displayed.
The numbers refer to the number of study phenotype methods annotated to that heading (at zero threshold) and all child headings where they exist.
The "OR" search operator is used when multiple headings are checked.

2010 MeSH created by U.S. National Library of Medicine

Only the HPO terms used in the annotation of phenotypes are displayed.
The numbers refer to the number of study phenotype methods annotated to that term (at zero threshold) and all child terms where they exist.
The "OR" search operator is used when multiple terms are checked.

HPO tree generated from release 27:01:2011
HPO releases can be compared at NCBO's BioPortal