Assertion: salivary gland | /r/CapableOf | prove to be useful
Facets:
value: very
type: DEGREE
value: to students of genetics
type: TRANSITIVE-OBJECT
Source sentences:
text: Salivary glands have proven to be very useful to students of genetics due to the occurrence of polytene chromosomes that are common in the salivary gland cells of many Diptera.