CNS -PCC Matching
| 1. Anatomical 2. Physilogical |
| From where does the third ventricle receive CSF? |
| From the foramina of Monroe |
| Is the dura a vascular tissue? |
| Mostly collagen but it does have a few capillaries. It has vessels going around its outer surface. |
| Where one Schwann covering cell meets another there is a very tiny exposed area called a node of Ranvier |
| Cerebral Spinal Fluid: is it overturned every day? |
| Yes, a little is overturned at any given moment. 500ml is produced per day |
| Internuncial Neurons: Intra Segmental |
| Starts in the spinal cord and ends at the same cord level |
| Fight or Flight component. The preganglionic neuron is short and the postganglionic neuron is long. |
| Dura in the vertebral Canal : figure 12 |
| What does the Autonomic (Visceral) Component of the NS innervate? |
| Glandular epithelium, smooth and cardiac musculature |
| Does the weight of the brain change as we grow? |
| Yes. At birth: 10% of body weight (300-400g) In adulthood: 2-2.5% of body weight (1100-1400g) |
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