The medial surface of the kidney is the site of the hilum a depression and slit where blood vessels, nerves, lymphatic vessels and the ureter enter and leave the kidney. Thus, option (a) is correct.
What is kidney?
The term kidney refers to the part of the body divided into two pairs. The kidney was the organ responsible for removing water and extra water from the blood via urine.
The funiculus attaches to the helium. A depression or aperture through which nerves, ducts, or blood arteries travel in an organ or gland, such as the medial aspect of the lungs or the kidneys.
As a result, the hilum is slightly on the opening through the which nerves, ducts, or blood vessels pass through the kidney.
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Your question is incomplete, but most probably the full question was.
a. hilum
b. pelvis
c. sinus
