anatomical region – probably child of heart apex
name: apex of heart ventricle
synonym: "apex of cardiac ventricle" RELATED 
is_a: MA:0000091 ! heart ventricle
how is this different from the apex of the heart (apex cordis)? E.g.
Seem to suggest left ventricle.
SNOMED has apices for L+R ventricles.
Either way it seems the apex is usually the ventricle rather than any other region of the heart, at least according to easily searchable web resources and ontologies/terminologies.
Agree with Chris that we need to make this more clear.
Met with Paul Schofield this morning while he is visiting
Plan is to go through a set of terms, including this one,
later in the week.