Assertion: mitral valve | /r/HasProperty | come in two-port forms
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: While diaphragm valves usually come in two-port forms (2/2-way diaphragm valve), they can also come with three ports (3/2-way diaphragm valves also called T-valves) and more (so called block-valves).