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ANS Pt I & II Dr. Giffin
UC MED 2015
79
Medical
Graduate
11/21/2011

Additional Medical Flashcards

 


 

Cards

Term
Neuron originates in the CNS and sends its axon into the periphery of the body and the goes to a ganglion to synapse
Definition
Preganglionic neuron
Term
Cell bodies reside outside the CNS in the periphery, its cell body is in the ganglion
Definition
Postganglionic neurons
Term
dorsal root bring information
Definition
into the spinal cord
Term
ventral roots brings information
Definition
out to the spinal cord
Term
motor neurons are in the...
Definition
ventral horn
Term
sensory nurons are in the...
Definition
dorsal horn
Term
Lateral horn only exists in what spinal levels?
Definition
T1 to L2
Term
Preganglionic presympathetic neurons live where?
Definition
lateral horn
Term
dorsal root ganglion also called?
Definition
spinal ganglion
Term
dorsal ganglion and spinal nerve moves out from here...
Definition
intervertebral foramen
Term
the spinal nerve is an example of a...
Definition
mixed nerve
Term
branch that goes to the back of the body
Definition
dorsal ramus
Term
branch that goes to the front of the body
Definition
ventral ramus
Term
The strip of skin supplied by one spinal nerve is the...
Definition
dermatome
Term
If you find on examination of a patient that there is a sensory loss that corresponds to an entire dermatome then you know ...
Definition
that something is interfering with either the spinal nerve, the dorsal rootlets, the dorsal root ganglion, or the spinal cord itself.
Term
The ANS is a _______ system
Definition
motor
Term
The ANS innervates...
Definition
smooth muscles, cardiac muscles, and glands
Term
What fibers are in the typical spinal nerve?
Definition
GSE and GSA

and

GVA and GVE
Term
Post-sympathetic are...
Definition
not myelinated or lightly myelinated
Term
White rami are ONLY found between vertebral levels...
Definition
T1 to L2
Term
Gray rami are found at...
Definition
ALL levels
Term
A bundle of axons (depending on the location, may be a rootlet, root, trunk, division, cord, ramus, nerve or branch)
Definition
Nerve
Term
Another term used to describe an axon
Definition
Nerve Fiber
Term
An aggregation of functionally related nerve cell bodies OUTSIDE the CNS
Definition
Ganglion
Term
An aggregation of functionally related nerve cell bodies INSIDE the CNS
Definition
Nucleus
Term
Nerve cells whose axons carry impulses (action potentials) out to muscles or glands (effector organs)
Definition
Motor (Efferent) Neurons
Term
Nerve cells whose processes carry impulses (action potentials) to the CNS
Definition
Sensory (Afferent) Neurons
Term
Proper name for the "Body Tube"
Definition
Somatic
Term
Proper name for the "Gut tube"
Definition
Visceral
Term
Motor or GVE acts on
Definition
-Sweat glands
-Erector pilorum muscle
-Vasculature smooth muscle
Term
What monitors internal organs, including those of the cardiovascular, respiratory, digestive, urinary, or reproductive systems?
Definition
Visceral Sensory Receptors
Term
What monitors skeletal muscles, joints, skin surfaces; provide position sense and touch, pressure, pain, or temperature sensations?
Definition
Somatic sensory receptors
Term
Motor commands within efferent division include?
Definition
-Somatic nervous system
-Autonomic Nervous system
Term
Motor commands within the ANS include?
Definition
-Sympathetic Division
-Parasympathetic Division
Term
Somatic nervous system innervates?
Definition
Skeletal muscles
Term
ANS innervates?
Definition
-Smooth muscle
-Cardiac muscle
-Glands
Term
What brings conscious and unconscious sensory information into the CNS?
Definition
General Somatic Afferent Fibers (GSA)
Term
What brings sensory information from visceral structures of the body into the CNS?
Definition
General Visceral Afferent Fibers (GVA)
Term
What does innervation of voluntary skeletal muscles?
Definition
General Somatic Efferent Fibers (GSE)
Term
What does innervation of cardiac muscles, smooth muscles, and glands?
Definition
General Visceral Efferent Fibers (GVE) aka ANS
Term
Cell bodies reside in the CNS in a Nucleus
Definition
Preganglionic Neurons
Term
Cell bodies reside outside the CNS in the periphery in a Ganglion
Definition
Postganglionic Neurons
Term
What is a sensory neuron in the peripheral nervous system? This neuron contains an axon that has split into two branches; one branch runs to the periphery and the other to the spinal cord.
Definition
Pseudo-unipolar sensory neuron
Term
What is a type of neuron that possesses a single (usually long) axon and many dendrites, allowing for the integration of a great deal of information from other neurons?
Definition
Multipolar neuron
Term
What are the Parasympathetic effects on the heart muscle?
Definition
Decreases rate
Term
What are the Sympathetic effects on the heart muscle?
Definition
Increase rate and force
Term
What are the Parasympathetic effects on the coronary vessels?
Definition
Constricts
Term
What are the Sympathetic effects on the coronary vessels?
Definition
Vasodilation
Term
What are the Parasympathetic effects on the Bladder/urethra?
Definition
Detrusor contraction; relaxes urethral sphincter
Term
What are the Sympathetic effects on the Bladder/urethra?
Definition
Detrusor relaxation; constriction of urethral sphincter
Term
What are the Parasympathetic effects on the Lungs?
Definition
Constricts the bronchioles
Term
What are the Sympathetic effects on the Lungs?
Definition
Dilates bronchioles
Term
What are the Parasympathetic effects on the GI Organs?
Definition
Increases peristalsis and secretion
Term
What are the Sympathetic effects on the GI Organs?
Definition
Decreases peristalsis and secretion
Term
What are the Parasympathetic effects on the Eye (Iris)?
Definition
Constriction
Term
What are the Sympathetic effects on the Eye (Iris)?
Definition
Dilation
Term
What are the Parasympathetic effects on the Glands (nasal, lacrimal, gastric, pancreas)?
Definition
Stimulates secretory activity
Term
What are the Sympathetic effects on the Glands (nasal, lacrimal, gastric, pancreas)?
Definition
Inhibits secretory activity
Term
What are the Parasympathetic effects on the Penis?
Definition
Causes erection
Term
What are the Sympathetic effects on the Penis?
Definition
Causes ejaculation
Term
What are the Parasympathetic effects on the Kidney?
Definition
No effect
Term
What are the Sympathetic effects on the Kidney?
Definition
Vasoconstriction; decrease urine output
Term
What are the Parasympathetic effects on the Mental activity?
Definition
No effect
Term
What are the Sympathetic effects on the Mental activity?
Definition
Increases alertness
Term
What connects the the sympathetic chain to spinal nerves?
Definition
Gray and white rami
Term
The sympathetic chain is also called?
Definition
the sympathetic trunk
Term
What runs alongside the vertebral column from the base of the skull to the sacrum?
Definition
Sympathetic chain
Term
WHERE DOES THE PREGANGLIONIC SYMPATHETIC (GVE) AXON GO?
Definition
The preganglionic axons exit the spinal nerve via the white ramus and reaches the sympathetic (paravertebral) chain
Term
What receives preganglionic axons of the greater splanchnic nerve?
Definition
celiac ganglion
Term
What type of outflow does the Parasympathetic Division have?
Definition
Carniosacral outflow
Term
Where do preganglionic axons synapse on postganglionic neurons in the Parasympathetic Division?
Definition
Synapse in intramural ganglia of visceral targets
Term
What Cranial Nerves innervates the thorax and most of the abdominal viscera?
Definition
Vagus Nerve or CN XI
Term
Pain perceived in an area other than its actual origin
Definition
Referred Pain
Term
What conducts 'pain' information back to the spinal cord via the sympathetic splanchnic nerves?
Definition
GVA fibers
Term
Tell me the general order or transmission of referred pain...
Definition
1) Visceral Structure 'Pain'
2) Splanchnic Nerve
3) Sympathetic Chain
4) White Ramus
5) Spinal Nerve
6) Dorsal Horn
Term
The Dorsal Root Ganglion (DRG) contains?
Definition
GSA cell bodies and GVA cell bodies
Term
What is simply the location of residence for all the cell bodies of the pseudounipolar sensory neurons in a particular nerve?
Definition
Sensory ganglion
Term
What is the site of residence of postganglionic neurons of the autonomic nervous system? It is the site of synapse between the preganglionic neuron and the postganglionic neuron
Definition
Autonomic Ganglion
Term
Can a ganglia be both sensory and autonomic?
Definition
No, it can be either one, but never both
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