[x precedes y if and only if the time point at which x ends is before or equivalent to the time point at which y starts. Formally: x precedes y iff ω(x) <= α(y), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.]
[Ontology annotation property. Relates an ontology to a term that is a designated root term of the ontology. Display tools like OLS can use terms annotated with this property as the starting point for rendering the ontology class hierarchy. There can be more than one root.]
[S present_in_taxon T if some instance of T has some S. This does not means that all instances of T have an S - it may only be certain life stages or sexes that have S., S present_in_taxon T if some instance of T has some S. This does not means that all instances of T have an S - it may only be certain life stages or sexes that have S]
[a produces b if some process that occurs_in a has_output b, where a and b are material entities. Examples: hybridoma cell line produces monoclonal antibody reagent; chondroblast produces avascular GAG-rich matrix.]
[X proximalmost part of Y <=> X is in proximal side of Y and X is adjacent to the proximal boundary of Y, X proximalmost_part_of Y <=> X is part_of Y and X is adjacent_to the proximal boundary of Y.]
