chap 38

Front

dendrites

Back

branched part of the cell recieving or sending message

Front

cell body

Back

soma. central part of neuron cell

Front

axon hillock

Back

where cell body and axon meet, signal is generated here

Front

myelin sheath

Back

insulates the axon, helping in conduction of signal

Front

synaptic terminals

Back

tips of the arms of an axon

Front

synapse

Back

space between the synaptic terminal of an axon and another cell

Front

presynaptic cell

Back

cell sending the message

Front

postsynaptic cell

Back

cell receiving the message

Front

scale of axon

Back

soma: size of tennis ball

interneuron dendrites: fill a classroom

motor axon: width of garden hose and a mile long

1 trillion neurons in human

Front

sensory neuron

Back

dense network of dendrites and recieve stimuli from specific reigons