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 use of the AEO in classifying the ontology of human developmental anatomy (EHDAA2). The ontology is opened in the OBO-Edit browser to demonstrate (i) those tissues classed (is_a relationship) within the gender-specific anatomical structure hierarchy (red arrow), and (ii) the head category of organism subdivision with its constituent organ groups (part_of relationship).
