1. | Not enclosed by a Schwann cell and hence not enclosed by a myelin sheath. |
2. | Enclosed by a Schwann cell that does not form a myelin sheath. |
3. | Not enclosed by a Schwann cell but enclosed by a myelin sheath formed by oligodendrocytes. |
4. | Not found in the autonomous and the somatic neural system. |
The brain stem does not include :
1. Mid-brain
2. Medulla oblongata
3. Pons Varolii
4. Cerebellum
Which of the following is a major coordinating center for sensory and motor signaling for the cerebrum?
1. Hypothalamus
2. Thalamus
3. Corpora quadrigemina
4. Amygdala
Myelin sheath is produced by
(1) Schwann cells and Oligodendrocytes
(2) Astrocytes and Schwann cells
(3) Oligodendrocytes and Osteoclasts
(4) Osteoclasts and Astrocytes
Assertion : Some areas of the brain and spinal cord look white.
Reason : This is because cell bodies of neurons are situated in those areas.