Multiple choice

The outer section covering the renal medulla is known as

  1. the cortex

  2. the calyces

  3. the renal columns

  4. the renal sinus

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A Correct answer
Explanation

The cortex of the kidney is the outer section which covers the internal medulla. The cortex is visible near the outer edge of the cross-sectioned kidney. It is composed of blood vessels and urine tubes and is supported by a fibrous matrix.

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