Nervous System Flashcards
PNS
Everywhere but Brain & Spinal Cord
CNS
Spinal cord & Brain
Neurons
Cell bodies, Dendrites, Axons
Dendrites
Receive information from other neurons
Axons
Transmit information to other neurons
Chemical Transmission
Between neurons, synapse, w/ neurotransmitters
Excitatory neurotransmitters
Cause sodium channels to open, initiates action potential
Inhibitory neurotransmitters
More difficult for neuron to achieve action potential
Sensory neurons
Carry information from sensory receptors on PNS to CNS
Motor neurons
Carry information from CNS to PNS
Meninges
Membrane of the brain
Lobes of cerebrum
Frontal, Temporal, Occipital, Parietal
Hemorrhage
Rush of blood in the brain
Ischemic stroke
Blockage of blood in the brain
Hypoglossal
Tongue/Taste
Oculomoter
Eye/Movement
Optic
Eye/Sight
Vestibulocochlear
Sound & Balance/Hearing
Olfactory
Nose/Smell
Trigeminal
Face/Facial touch
Neurons
Conduct and transmit impulses