The notch at which ureter and blood vessels exit in a kidney is called

Towards the centre of the inner concave surface of the kidney is a notch called hilum through which ureter, blood vessels and nerves enter.

The renal tubule begins with a double walled cup-like structure called Bowman’s capsule.

The mediastinum is the area in the chest between the lungs that contains the heart.

The cardiac notch is an indentation on the surface of the left lung, and it allows space for the heart.