Any process that stops, prevents or reduces the frequency, rate or extent of collecting lymphatic vessel constriction.
Synonyms:
exact_synonym:
down regulation of collecting lymphatic vessel constriction; down regulation of lymphatic vessel myogenic constriction; downregulation of collecting lymphatic vessel constriction; downregulation of lymphatic vessel myogenic constriction; negative regulation of lymphatic vessel myogenic constriction
narrow_synonym:
inhibition of collecting lymphatic vessel constriction; inhibition of lymphatic vessel myogenic constriction