end, days post coitum true end_dpc This is a shortcut annotation that can be expanded to an OWL axiom, or to a set of OWL axioms. The exact translation has yet to be determined, and may be application-dependent. Count of number of days intervening between the end of the stage and the time of coitum, assuming that it takes place around midnight during a 7pm to 5am dark cycle (noon of the day on which the vaginal plug is found, the embryos are aged 0.5 days post coitum). mouse_stages_ontology