Download Nervous System

Nervous System
VOCABULARY
Vocabulary

Afferent

Interneurons

Autonomic Nervous System

Ischemia

Cerebral Spinal Fluid

Meninges

Conductivity

Neurotransmitter

Congenital

Paralysis

Efferent

Reflex

Equilibrium

Somatic Nervous System

Excitability

Stimulus

Homeostasis

Synapse
Stimulus
any
substance or action that
produces a response
Synapse
space
between two neurons
Conductivity
the
ability to transmit a signal
Excitability
the
ability to respond to a
stimulus
Ischemia
insufficient
blood to a body
part caused by functional
constriction or actual
obstruction of a blood vessel
Afferent
sensory
Cerebral Spinal Fluid
fluid
contained in the brain’s
ventricles, intracranial spaces,
and central canal of the spinal
cord
Congenital
present
at birth
Somatic Nervous System
voluntary
nerves
Homeostasis
the
parasympathetic division
operates to keep the body in
this
Reflex
an
involuntary action in
response to a stimulus
Neurotransmitter
chemical
messenger, released
from the axon of one neuron,
that travels to another nearby
neuron
Paralysis
a
loss of movement and
sensation in a part of the body
Efferent
motor
neurons
Meninges
three
membranes that
surround and protect the brain
and spinal cord
Autonomic Nervous System
involuntary
nerves
Equilibrium
balance
Interneurons
connecting
nerves that carry
messages from afferent nerves
to efferent nerves
KEY

Afferent - sensory

Autonomic Nervous System - involuntary nerves

Cerebral Spinal Fluid - fluid contained in the brain’s ventricles,
intracranial spaces, and central canal of the spinal cord

Conductivity - the ability to transmit a signal

Congenital - present at birth

Efferent - motor neurons

Equilibrium - balance

Excitability - the ability to respond to a stimulus

Homeostasis - the parasympathetic division operates to keep the
body in this
KEY

Interneurons - connecting nerves that carry messages from afferent nerves to
efferent nerves

Ischemia - insufficient blood to a body part caused by functional constriction
or actual obstruction of a blood vessel

Meninges - three membranes that surround and protect the brain and spinal
cord

Neurotransmitter - chemical messenger, released from the axon of one
neuron, that travels to another nearby neuron

Paralysis - a loss of movement and sensation in a part of the body

Reflex - an involuntary action in response to a stimulus

Somatic Nervous System - voluntary nerves

Stimulus - any substance or action that produces a response

Synapse - space between two neurons