| 释义 |
DictionarySeegray mattersubstantia cinerea
gray mat·'ter [TA] those regions of the brain and spinal cord that are made up primarily of the cell bodies and dendrites of nerve cells rather than myelinated axons. Synonym(s): gray substance [TA], substantia grisea [TA], substantia cinereasubstantia cinereaThe gray matter of the brain and spinal cord.See also: substantia |