divisions
what is made up of brain and spinal cord ?
central nervous system (CNS)
what is fight or flight response?
body perceives danger and prepares to run away or stand and fight; heart rate increases, mouth becomes dry, and pupils and bronchi dilate
what is Cerebral palsy?
Permanent set of motor problems diagnosed in infants and young children- thought to be due to damage to the motor cortex
what is cranial/o ?
skull
what has many tree-like projections
from the neuron that carry messages to
the cell body?
dendrite
what consists of cranial and spinal nerves ?
peripheral nervous system (PNS)
what is paralysis?
the loss of the ability to move (and sometimes to feel anything) in part or most of the body, typically as a result of illness, poison, or injury
what is Meningitis?
infection or inflammation of meninges, caused by both bacteria and viral infections
what is myel/o ?
spinal cord
what is a axon?
the single long arm of the
neuron that carries messages away
from the cell body
what part of the peripheral nervous system that controls involuntary functions such as hart and smooth muscle ?
autonomic nervous system (ANS)
what is neurotransmitter?
a chemical messenger that carries, boosts, and balances signals between neurons (ex. Acetylcholine)
what is Parkinson’s disease?
Brain disorder caused by loss of dopamine-producing neurons
what is neur/o ?
nerve
what is myelin sheath?
insulating layer around neurons that allow nerve impulses to be transmitted quickly and efficiently
what part of the peripheral nervous system that controls voluntary movement via skeletal muscle ?
somatic nervous system (SNS)
what is cerebral ventricles?
four cavities within the brain that are filled with cerebrospinal fluid
what is Poliomyelitis?
contagious viral illness that in its most severe form causes nerve injury leading to paralysis, difficulty breathing and sometimes death
what is cephal/o ?
head
what is the space separating two neurons?
synapse
what are the sympathetic and parasympathetic divisions?
The sympathetic nervous system activates the fight or flight response during a threat or perceived danger, and the parasympathetic nervous system restores the body to a state of calm.
what is a stimulus?
something that can elicit or evoke a physiological response in a cell, a tissue, or an organism
what is Hemiplegia?
opposite side of body, paralysis on one half the body
what is encephalo?
brain
what are the 3 types of neurons?
sensory,motor, and associative