Medullas

What does MEDULLAS mean?

Medullas is a form of MEDULLA.

1. noun

   a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers

2. noun

   lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)

   “the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning”

3. noun

   the inner part of an organ or structure in plant or animal

Definitions from WordNet 3.1, Princeton University.