major calices

ma·jor ca·li·ces

[TA]
the primary subdivisions of the renal pelvis, usually two or three in number.
Synonym(s): calices renales majores [TA]

major calices

The 2+ major subdivisions of the renal pelvis, into which minor calices empty.
References in periodicals archive ?
Subsequently, the renal parenchyma was sectioned, avoiding opening the major calices. The parts of the resected renal caudal pole were retrieved through the 10-mm trocar using a laparoscopic reducer.