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44 Cards in this Set

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What does ANS stand for?

Autonomic Nervous System

What is other name for ANS system?

Involuntary Nervous System

The ANS is broken into what two subdivisions?

1. Sympathetic




2. Parasympathetic

The subdivisions of the PNS innervates?

1. Smooth Muscle




2. Cardiac Muscle




3. Glandular Muscle

The PNS is controlled by?

The hypothalamus

Does the sympathetic and parasympathetic


system work all the time?

YES both work all the time

Sympathetic System acts in preparing for?

"Fight or Flight"

Parasympathetic System is more active in?

Less stressful times

Which system is known as the


Thoraco- Lumbar?

The Sympathetic System

What is Thoraco-Lumbar System?

Nerves originate from spinal cord in thoracic lumbar regions

Which is system is also known as


Cranio-Sacral System?

Parasympathetic System

What is Cranio-Sacral?

- nerves originate from brain and sacrum

How long is Sympathetic System's




Preganglionic neuron ?




Postganglionic neuron?

Preganglionic:  is short and terminates in chain ganglia


Postganglionic: 
comparetively long

Preganglionic: is short and terminates in chain ganglia




Postganglionic:


comparetively long

How long is Parasympathetic System's




Preganglionic neuron?




Postganglionic neuron?

Preganglionic = long neuron and may 
terminate in a ganglion near 
organ innervated


Postganglionic = Short

Preganglionic = long neuron and may


terminate in a ganglion near


organ innervated




Postganglionic = Short

Which system is adrenergic?



The Sympathetic System





Which system is entirely cholinergic?

The Parasympathetic System

In the Sympathetic System:




- Synaptic Vesicles at the ganglia contain?




- Neuromuscular junction vesicle contains?

- Synaptic Vesicles at the ganglia contain:


Acetylcholine




- Neuromuscular junction vesicles contain:


Norepinephrine

In the Parasympathetic System:




- Synaptic Vesicles within ganglia and


neuromuscular junctions all contain?

All contain Acetylcholine

What is a nerve?

Collection of neurons

Collection of neurons

What are sensory nerves?

AFFERENT

AFFERENT

What are motor nerves?

EFFERENT

EFFERENT

Nerves that are both sensory and motor are called?

MIXED NERVES

What is a Ganglion?

Cluster of neural cell bodies in the PNS

What is a Nucleus?

Cluster of neural cell bodies in the CNS

Most nerves in the human body are?

MIXED NERVES

What are the 3 types of neurons?

1. Multipolar


2. Bipolar


3. Unipolar

1. Multipolar




2. Bipolar




3. Unipolar

Which neuron is the most common type?

Multipolar Neuron

Which neuron is found in the eye and ears?

Bipolar Neuron

What is unipolar neuron?

sensory cells of skin

How many spinal nerves are in the body?

31 pairs

How many pairs are found in the


Cervical Region?

8 pairs

8 pairs

How many pairs are found in the Thoracic


Region?

12 pairs

12 pairs

How many pairs are found in the Lumbar

Region?

5 pairs

5 pairs

How many pairs are found in the

Sacral Region?

5 pairs

5 pairs

How many pairs are found in the coccygeal?

1 pair

All spinal nerves , are what kind of nerves?

MIXED NERVES




( Afferent and Efferent Pathway)

All spinal nerves are part of what system only?

THE PNS SYSTEM

Spinal nerves may contain how


many pathways?

May contain one or more pathways

What pathways may they contain?

1. Afferent Sensory Pathway




2. Efferent Motor Pathway




3. Sympathetic Preganglionic Pathway




4. Parasympathetic Preganglionic Pathway




5. Sympathetic Afferent Pathway

What is Afferent Sensory Pathway?

Incoming

What is Efferent Motor Pathway?

Outgoing

What is sympathetic preganglionic pathway?

outgoing

What is parasympathetic


preganglionic pathway?

outgoing

What is sympathetic afferent pathway?

Incoming




(sensory input from internal organs)