Definitions

1. noun

The innermost part of a root or stem in a plant, especially the central part of the root which is not surrounded by the cortex.

“The farmer carefully examined the medulla of the root to check its health.”

2. noun

The innermost part of an organ, especially the part of the brain that connects the cerebral hemispheres.

“The doctor studied the medulla of the patient’s brain to diagnose the condition.”

3. noun

The innermost or central part of a thing, especially an organ.

“The medulla of the kidney plays a crucial role in filtering waste from the blood.”