chapter 2.1 & 2.2 - vocabulary Flashcards
Dendrite
receives signals from other neurons
Nucleus
found in the body of the neuron
Cell body
contains genetic info and protein for cell maintenance
Mylein sheath
fatty substances that increase the speed of electrical signals
Axon
transmits messages to other neurons
Axon terminal
button-like endings of axons through which axons make synaptic contacts with other nerve cells
Neurotransmitters
chemical messengers that carry the message from one neuron to the other
Synapse
the site of transmission between 2 nerve cells
Motor neuron
transfers info from CNS to external
Sensory neuron
transfers info from external to CNS
Interneuron
info in CNS and transfers to other neurons
Glial cells
support neurons
Brainstem
involuntary movements
Cerebellum
body movements, coordination, balance
Hippocampus
memory
Thalamus
sensory switchboard
Parietal lobe
sensory info and bodily sensations like temp, pressure pain, and spacial awareness
Temporal lobe
processing hearing, recognition of spoken language
Occipital lobe
processes vision and recognition of printed words
Frontal lobe
behavior, attention, reasoning motivation, planning, judgment, some memory, & emotions