If you looked closely at the tip of a renal papilla with a hand lens, the hundreds of little openings you would see on its surface are
A) minor calyces.
B) renal sinuses.
C) openings of papillary ducts.
D) glomeruli.

Question

Quizplus · Accepted Answer

The openings on the surface of the renal papilla are the openings of papillary ducts, which are tiny collecting ducts that drain urine from the nephrons into the minor calyces. The minor calyces are not visible at this level of magnification, and the renal sinuses and glomeruli are not located on the papilla.

If You Looked Closely at the Tip of a Renal