MEDULLA
“MEDULLA” is a valid word.
10
Scrabble points
14
Words with Friends
7
letters
Definition
noun
- a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
- lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
- the inner part of an organ or structure in plant or animal