medullaregion
nounUK /mɪˈdʌlə ˈriːdʒən/
US /məˈdʌlər ˈriːdʒən/
The medulla region is the inner part of an organ, like the soft middle of a bone or kidney.
The doctor looked at the medulla region of the kidney on the scan.
RELATED WORDS
OTHER MEANINGS
2. The lower part of the brain that controls breathing and heartbeat.
The medulla region of the brainstem helps you breathe without thinking.
3. The soft center of a bone where blood cells are made.
Red marrow fills the medulla region inside long bones.
4. The central tissue of an adrenal gland.
Hormones are released from the medulla region of the adrenal gland.