Home
Flashcards
Preview
Nervous system
Home
Get App
Take Quiz
Create
Give the definition of
Nerve stimulus
(question 15)
Anything able to
trigger
the generation of an
action potential
in a neuron.
Number of mV is resting potential?
-70mV
What is a
NERVE
?
A
bundle
of one or more neurons
What is a
GANGLIA
?
A
cluster
or group of nerve
cell bodies
What are
MENINGES
?
three layers of connective tissue that cover the brain and spinal cord
What is
Cerebra-spinal fluid
(CSF)?
Clear liquid that protects the brain and spinal cord from trauma and chemical injuries
What is the
Blood Brain Barrier
?
Protects the brain from toxins
, harmful
substances and bacteria that enter the bloodstream by maintaining tightness of
capillaries and junctions between cells.
What is
Epilepsy
?
Abnormal and intense
electrical activity in
the brain
resulting in recurrent fits or seizures
What is a
Seizure?
Abnormal neuron activity in the brain
.
What is a
Dendrite
?
The
receiving end
of a neuron
What is the
Myelin Sheath
?
a multi layered lipid and protein covering which
insulates the axon
and increases the speed of nerve impulses.
What is Hyperpolarisation?
a change in a cells membrane potential that makes it more negative.
What are Microglia?
Glial cells that are phagocytic
What is the Cerebrum?
The most anterior part of the brain that aids in sensory perception.
what is the cerebellum?
the part of the brain at the back of the skull that coordinates movements.
What is
Petit Mal
?
absence seizures with
no lingering confusion
What is
Grand Mal
?
Tonic Clonic
seizure with lingering confusion, where recovery time varies
Author
Rodders81
ID
303977
Card Set
Nervous system
Description
nervous system
Updated
6/26/2015, 7:33:24 PM
Show Answers
Home
Flashcards
Preview