In the center of the spinal cord is a butterfly-shaped area of .
A: white matter
B: dorsal root
C: gray matter
D: ventral root
A: white matter
B: dorsal root
C: gray matter
D: ventral root
举一反三
- Like the brain, the spinal cord is surrounded by bone, meninges, and A: cerebrospinal fluid B: white matter C: gray matter D: water
- plays an important role in the formation of long-term memory, particularly of places, and is thus required for learning. A: white matter B: hippocampus 海马体 C: amygdala 杏仁核 D: ventral root
- Which is wrong about the nervous system? A: It’s mainly composed of nervous tissue B: It’s classified as central and peripheral nervous system C: Central nervous system includes brain, cranial nerve, spinal cord and spinal nerve D: Gray matter is the place where the somas of neurons are concentrated E: White matter contains no neuronal cell bodies
- The major differences between brain stem and spinal cord don't include A: alternation of long conduction beam B: formation of inferior cerebral peduncle in medulla oblongata C: III-XII cranial nerve from brain stem D: brain stem structure that isn't composed of gray matter and white matter
- A spinal segment is defined as region of the spinal cord that A: corresponds to a collection of nerves passing up or down within the white matter B: corresponds to the region of the vertebral column (i.e. cervical, thoracic, lumbar, and sacral) to which spinal nerves arise C: refers to a region of the spinal cord from which a pair of spinal nerves arises D: underlines the neural arch of a particular vertebra in the adult