DIFFERENCES BETWEEN MAN & RABBIT -
|
S.NO.
1.
|
MAN
Brain round
|
RABBIT
Elongated
|
|
2.
|
Olfactory lobes, embeded in cereberum
|
Some what clear
|
|
3.
|
Olfactory lobes solid
|
Hollow
|
|
4.
|
Rinocoel absent
|
Present
|
|
5.
|
Corpora straita less developed
|
More developed
|
|
6.
|
Broca area less developed
|
More developed
|
|
7.
|
Spinal nerve 31 pairs
|
37 pairs
|
|
8.
|
Cauda aquina absent
|
Present
|
|
9.
|
Choroid plexus 5
|
2
|
SPECIAL POINTS -
- Andrew V. Schally & Roger C. L. Guillemin discovered Release Factor (RF) from hypothalamus.
- Optic chiasma mainly connected to steroscopic vision.
- If spinal cord & spinal nerves are exposed, this condition is spinal bifida.
- Due to absence of myelin sheath krab's disease or mentally dullness is occured.
- Cranial nerves enter into geniculate ganglia.
- Telencephalone of embryonic brain forms cerebrum & olfactory lobe.
- Cerebral reflex is not immediate e.g. watering of mouth.
- EEG - In closed eyes position, a-waves are given at the rate of 8-12 cycle / sec. In dream b & gwaves are given at the rate of 1-4 cycle/sec. In sleep delta waves are given.
- Neurology - Study of structure, function & diseases of the nervous system.
- Neurotoxin - A poison destruction to nervous system.