Taxon constraints

The cell ontology (CL) follows certain conventions regarding taxon constraints. Please review the following pages before adding taxon constraints to CL terms.

Explanation of taxon constraints can be found here: https://oboacademy.github.io/obook/explanation/taxon-constraints-explainer/

A how-to guide can be found here: https://oboacademy.github.io/obook/howto/add-taxon-restrictions/