Neuro 1.1 Gross anatomy Flashcards
What stains can one use to stain nuclei and Nissl substances of neurones?
Neutral red stain
Cresylecht Violet
What stains could one use to stain axons?
Sudan black
Fast blue
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
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Annotate the lobes of the cerebrum
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Annotate the major gyri and sulci
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Annotate the regional blood supply of the brain
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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?
- Neurones
- Neuroglia
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?
a) sulci
b) fissures
c) gyri
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?
cerebral falx