What stains can one use to stain nuclei and Nissl substances of neurones?
Neutral red stain
What stains could one use to stain axons?
Where is grey matter found in the spinal cord and in the cerebral cortex?
In Spinal cord - centrally, 'H' shaped
In cerebral cortex - peripherally
What are reflex arcs?
neural pathway controlling an action reflex e.g. knee jerk reflex
Annotate the ventricular system of the brain
Annotate the lobes of the cerebrum
Annotate the major gyri and sulci
Annotate the regional blood supply of the brain
How many pairs of cranial and spinal nerves are there?
Cranial - 12 pairs
spinal - 31 pairs
What membranes envelop the CNS and the PNS?
CNS - meninges
PNS - endoneurium, perineurium, epineurium
What are the 2 cell types located in the CNS?
Where does the spinal cord show enlargement and why?
At cervical and lumbar levels due to brachial plexus and lumbar plexus
What are the 3 sutures of the skull?
Coronal, saggital, lambdoid
What is the name of:
a) groove of brain
b) a major groove of brain
c) Elevations of brain?
How are the 2 hemispheres of the brain connected?
by corpus callosum and commissures
What are the 3 primary vesicles of the brain?
forebrain - prosencephalon
midbrain - mesencephalon
hindbrain - rhombencephalon
What are the 5 secondary vesicles of the brain and what do they differentiate from?
- diencephalon - forebrain
- telencephalon - forebrain
- mesencephalon - midbrain
- metencephalon - hindbrain
- myelencephalon - hindbrain
What is the name of the saggitally running infolding found in the midline?
How does the tentorium cerebelli and the cerebral falx divide the cranial cavity?
Tentorium cerebelli - Supra-tentorial and Infra-tentorial compartments
Cerebral falx - Left and right halves
What is akinesia?
Muscular weakness and fatigue
what is apraxia?
Difficulty with motor planning
What is agnosia?
Inability to recognise objects w/o defective senes of smell or sight or memory loss
What is aphasia?
What is areflexia?
what is ataxia?
failure of muscle coordination
what is bradykinesia?
Slow execution of movement