3 or more structures that make up the midbrain (Mesencephalon)
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Cerebral Peduncles
Tectum
Red Nucleus
Circle of Willis
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A circle of arteries at the base of the brain that supply blood to the brain
,lumbar enlargement
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T9 - T12 of vert.
3 structures that make up the brainstem.
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midbrain, pons, medulla oblongata
Thalamus
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- 3 cm long
-4/5 of the diencephalon
- Intermediate Mass - joins the 2 oval thalamic masses
- Thalamus in an important relay station for impulses coming
from all parts of the body.
- Thalamus integrates sensations, groups similar sensations
together.
- Thalamus provides crude awareness of pain, temp., light
touch,
and pressure.
, - Reticular Nucleus of the Reticular Formation
*runs through the brainstem of the medulla and midbrain,
as well as the thalamus
*it "wiretaps" all incoming and outgoing inputs
*it is the arousal system of the rest of the brain
Compare and Contrast the parasympathetic and sympathetic divisions.
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The sympathetic nervous system prepares the body for intense physical
activity and is often referred to as the fight-or-flight response.
The parasympathetic nervous system has almost the exact opposite
effectand relaxes the body and inhibits or slows many high energy
functions.
What are dermatomes?
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the bodies sensory boarders
T4 - nipple line down
T10 - umbilicus down
What are the 2 points of attachment to the cord?
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, posterior/dorsal and anterior (ventral) roots
- these are mixed nerves (i.e., contain both sensory and motor neurons)
white matter
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Whitish nervous tissue of the CNS consisting of neurons and
their myelin sheaths.
Spinal Cord
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- extends from the medulla to the 2nd lumbar vertebra (L2)
- cylindrical
- slightly flattened anteriorly and posteriorly
- continuation of the medulla
- 16-18 inches in adults
nucleus
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Give this one a try later!
Cerebral Peduncles
Tectum
Red Nucleus
Circle of Willis
Give this one a try later!
A circle of arteries at the base of the brain that supply blood to the brain
,lumbar enlargement
Give this one a try later!
T9 - T12 of vert.
3 structures that make up the brainstem.
Give this one a try later!
midbrain, pons, medulla oblongata
Thalamus
Give this one a try later!
- 3 cm long
-4/5 of the diencephalon
- Intermediate Mass - joins the 2 oval thalamic masses
- Thalamus in an important relay station for impulses coming
from all parts of the body.
- Thalamus integrates sensations, groups similar sensations
together.
- Thalamus provides crude awareness of pain, temp., light
touch,
and pressure.
, - Reticular Nucleus of the Reticular Formation
*runs through the brainstem of the medulla and midbrain,
as well as the thalamus
*it "wiretaps" all incoming and outgoing inputs
*it is the arousal system of the rest of the brain
Compare and Contrast the parasympathetic and sympathetic divisions.
Give this one a try later!
The sympathetic nervous system prepares the body for intense physical
activity and is often referred to as the fight-or-flight response.
The parasympathetic nervous system has almost the exact opposite
effectand relaxes the body and inhibits or slows many high energy
functions.
What are dermatomes?
Give this one a try later!
the bodies sensory boarders
T4 - nipple line down
T10 - umbilicus down
What are the 2 points of attachment to the cord?
Give this one a try later!
, posterior/dorsal and anterior (ventral) roots
- these are mixed nerves (i.e., contain both sensory and motor neurons)
white matter
Give this one a try later!
Whitish nervous tissue of the CNS consisting of neurons and
their myelin sheaths.
Spinal Cord
Give this one a try later!
- extends from the medulla to the 2nd lumbar vertebra (L2)
- cylindrical
- slightly flattened anteriorly and posteriorly
- continuation of the medulla
- 16-18 inches in adults
nucleus
Give this one a try later!
