Neuro1 - 8 Flashcards
1
Q
Outline the VERY general properties of the nervous system
A
Responsive, receptive, spontaneous
2
Q
What regulates flow in sponges?
A
Myocytes - independent effects - their own receptors and effectors
3
Q
Describe the Hydra nervous system
A
Nerve net, not nervous system as such, interneurons modulate signals, amacrine project both directions
4
Q
What do flat worm neuron clustering show?
A
Gangliation, cephalisation, bilateral symmetry, fasciculation, commissures
5
Q
How many neurons do C. elegans have?
A
302
6
Q
How many glia do C. elegans have?
A
56
7
Q
What forms neuroblasts in Drosophila?
A
Delamination
8
Q
Where does vertebrate NS derive?
A
Ectoderm
