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The Central Nervous System
the central nervous system
33
Anatomy
Undergraduate 1
10/10/2007

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Cards

Term
the cranial meninges are continuous with ?
Definition
the spinal meninges
Term
name the structures of the cranial meninges
Definition

the dura mater, thickest and most superficial

the middle arachnoid mater,

inner most delicate layer the pia mater. 

Term
the extensions of the dura mater are?
Definition
the falx cerebri, the falx cerebelli, and the tetorium cerebelli
Term
the falx serebri seperates what?
Definition
the two hemispheres of cerebrum
Term
the falx cerebelli seperates what?  
Definition
the two hemispheres of the cerebellum
Term
the tentorium seperates what?
Definition
the cerebrum from the cerebellum
Term
the brain stem is made up of three areas?
Definition
the mid brain, the pons, and the medulla oblongata.
Term
the mid brain does what?
Definition

conveys motor impulses from cerebrum to cerebellum and spinal cord.

sends sensory impulses from spinal to thalmus

regulates auditory and visual reflexes 

Term
the pons does what?
Definition

relays nerve impulses related to voluntary skeletal movements from cerebral cortex to cerebellum.

also aids in respiration 

Term
the medulla oblongata does what?
Definition

regulates heart rate,

regulates respiratory rate,

vasocontriction

swallow, cough.... 

Term
the cerebellum is made up of what?
Definition
left lateral lobe, vermis, and right lateral lobe
Term
list some of the functions of the cerebellum  
Definition

coordination of muscle contractions of skeletal muscle contractions

maintenance of normal muscle tone

posture, and balance. 

Term
the thalamus does what?
Definition

relay station for all sensory impulses except smell, to cerebral cortex

 

Term
the thalamus regulates and is essential in what?  
Definition

regulates conious recognition of pain and temp and some awareness of light touch and pressure.

essential role in cognition. 

Term
the epithalamus is superior and posterior to ?  
Definition
the thalamus
Term
the epithalamus contains ?
Definition
the pineal gland and haenuclar nuclei.
Term
the pineal gland secretes what?
Definition
melatonin  
Term
the habenular nuclei is involved in what?
Definition
involved in olfaction, emotional responses to odor..
Term
name four things the hypothalamus does.
Definition

major regulator of homeostasis

regulates emotional and behavioral patterns

regulates eating and drinking

aids in body temp 

Term
subthalamus aids in control of?
Definition
body movements
Term
the largest part of the brain is what?
Definition
the cerebrum
Term
the cerebrum is seperated into 4 lobes, name em!
Definition

frontal

temporal

parietal

occipital 

Term
the frontal lobe is for?
Definition
general intellect and motor control
Term
the temporal lobe is for?
Definition
auditory input and interpretation
Term
the parietal lobe is for?
Definition
general sensory input and interpretation
Term
the occipital lobe is for ?
Definition
visual imput and interpretation
Term
there are how many brain ventricles? name them..
Definition
2 lateral ventricles (largest), 3rd ventricle, and 4th ventricle
Term
the what connects the two lateral ventricles to the third ventricle?
Definition
the interventricular forament
Term
the third ventricle is inferior to the?
Definition
corpus callosum
Term
the what passes down the core of midbrain to the 4th ventricle?
Definition
the cerebral aqueduct
Term
the 4th ventricle of the brain is where?
Definition
small triangular chamber between pons and cerebellum
Term
the choroid plexus is?
Definition
on floor or wall of each wall, and the are spongey mass of blood capillaries
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