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test 4
lombrana notes spinal (4)
40
Anatomy
Undergraduate 1
11/20/2009

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Term
the 2 superior elevations that serve as reflex centers for certain visual activities
Definition
superior colliculi
Term
relay impulses from receptors for hearing in the ear to the thalamus
Definition
inferior colliculi
Term
the second larges part of the brain
Definition
cerebellum
Term
where is the cerebellum
Definition
in the posterior to the medulla and pons
Term
what part of the brain controls the equilibrium and balance
Definition
cerebellum
Term
attach the cerebellum to the brain stem
Definition
cerebellum
Term
consist of axons that conduct impulses between the cerebellum and other parts
Definition
cerebellar peduncles
Term
gray matter deep in the white matter
Definition
cerebellar nublei
Term
what is the main function of the cerebellum
Definition
to evaluate the movements initiated by the motor areas in the cerebrum are being carried out, helps coord skilled movements
Term
what is about 80% of the diencephalon
Definition
thalamus
Term
what is the thalamus
Definition
major relay station for sensory impulses, contributes to motor function
Term
what does the diencephalon contain
Definition
thalamus, hypothalamus, pineal gl, epithalamus, circumventricular org
Term
what does the epithalamus contain
Definition
the pineal gland and the habenular nuclei
Term
what is the pineal gland
Definition
it secretes the hormone melatonin
Term
what is the largest part of the brain
Definition
cerebrum
Term
what is the 'seat of intelligence'
Definition
cerebrum
Term
what is (gray matter) 'nuclei'
Definition
clusters of cell bodies with nissel boddies in the e.r.
Term
white matter
Definition
deep to the cerebral cortex, contains gray matter nuclei
Term
fissures (deep grooves)
Definition
longitudinal fissures-sep cerebrum into rt and lft halves
Term
fissures (deep grooves)
Definition
transverse fissures- separates the cerebrum from the cerebellum
Term
connects the 2 hemispheres together
Definition
corpus callosum
Term
axons that conduct impulses between gyri in the same hemisphere
Definition
association tracts
Term
axons that conduct impulses from one hemisphere to corresponding gyri in the other hemisphere
Definition
commissural tracts
Term
axons that conduct impulses from the cerebrum to lower parts of the cns (thalamus brainstem or spinal cord)
Definition
projection tracts
Term
help to regulate the initiation and temination of the movement
Definition
basal ganglia
Term
cell bodies in the cerebrum in cns
Definition
basal ganglia
Term
initiate and terminate congnitibe processes like attention memory and planning
Definition
basal ganglia
Term
the emotional brain
Definition
limbic system
Term
responds to pain, pleasure, affection, anger
Definition
limbic system
Term
within the limbic system the ______ is involved in anger, rage fear, aggresion
Definition
amygdala
Term
deals with learned motor activities of a complex and sequential nature
Definition
premotor area
Term
4 types of brain waves
Definition
alpha, beta, theta, delta
Term
brain waves seen when subject is awake
Definition
alpha waves
Term
brain waves seen when nervous system is active
Definition
beta waves
Term
brain waves seen when emotional stress and brain disorders
Definition
theta waves
Term
brain waves seen during deep sleep and in awake adults with brain damage
Definition
delta waves
Term
how many pairs of cranial nerves
Definition
12 pairs
Term
cranial nerves pass through
Definition
pass through the foramina in the cranial bones
Term
the cranial nerves are part of what system
Definition
pns
Term
what are the cranial nerves? (Oh oh oh to touch and feel very good va agh)
Definition
aolfactory, optic, oculomotor, trochlear, trigeminal, abdecens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, hypoglaossal
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