Calyces pl. : of Calyx

Example:
Please, what does a slightlly prominent renal pelvis & Calyces with NO hydronephrosis mean? He's 19.?

Taxonomy
Calyx, free encyclopedia, Calyce, mammalian kidney, Greek mythology, search, free dictionary, component, UK producer, drum and bass, sepals, flower, the crown, crinoid, synapse, auditory brainstem, literary journal, the Colony.

Defination from the web:
Calyx (journal), a literary journal. Calyx (fictional moon), in the Colony Wars franchise. This disambiguation page ... Retrieved from "http://en.wikipedia.org/wiki/Calyx" Categories: Disambiguation pages. Hidden categories: All disambiguation pages | All article disambiguation pages ...