স্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্স

*** The term dominant hemisphere refers to the side concerned with the perception and production of language/ speech. According to this concept, the left hemisphere is dominant in over 90 of people.

*** The corpus callosum is the largest commissure of the brain. It connects the two cerebral hemispheres. It is 10 cm in length in man.

The larger lateral striate branch of middle cerebral artery is called ‘Charcot’s artery of cerebral haemorrhage.

It supplies the posterior limb of the internal capsule which transmits corticospinal (pyramidal tract) fibres for the upper limb, lower limb and trunk. Hemorrhagic stroke at this region results in contralateral spastic hemiparesis. 

Refractive Media of the Eye:
From before backwards, these are
1. Cornea
2. Aqueous humour
3. Lens
4. Vitreous body

Function:
 Sensory relay station
A vast amount of sensory information of all types (except smell) converges on the thalamus and presumably is integrated through the interconnections between the nuclei. The resulting information pattern is distributed to other parts of the central nervous system.