Question

What is the name for the vertical cleft in the concave medial surface of the kidneys?

Answer 1

hilum
The kidney's unique shape includes the convex lateral side and a concave medial surface containing a vertical cleft called the hilum. The hilum is a small area for the renal artery and nerves to enter the kidney, and for the renal vein and ureter to exit.

Answer 2

Toward the center of the inner concave surface of the kidney is the notch is called hilum. through which utrear ,blood vessels and nerves center .inner to the hilum is the board funnel shaped space called the rennel pelvis. with projection is called calyces. the outer layer of kidney is a though capsule.

Step-by-step explanation:

I hope it will work

have a good day dear friend!