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Rev 1


studies the structure of body parts and their relationship to one another Anatomy
carry bioelectrical signals Nerve cells
provide the support framework glial cells
monitoring stimuli occurring inside and outside the body sensory input
response to stimuli by activating effector organs motor output
interpretation of sensory input integration
macroscopic microscopic and developmental? subdivisons of anatomy
studies the function of the body- i.e. how all body parts work and interact physiology
from a general rule to a specific conclusion deductive reasoning
from a specific observation to a general conclusion inductive reasoning
PNS-consist of? nerves
CNS-consist of? brain and spinal cord
incoming sensory signals afferent division
outgoing motor signals efferent division
form the fascicle surrounded by perineurium axon
form the nerve surrounded by epineurium fascicles
Axon surrounded by endoneurium
contains nucleus- cytoplasm- organelles cell body
receptive regions- ~90% of the surface area dendrites
conducts signals and transports molecules axon
are located on the postsynaptic cell membrane receptors
between neurone and muscle Neuromuscular junction
between neurone and gland cell Neuroglandular junction
between neurones Synapse
White colour comes from lipid content myelin
gaps at regular intervals nodes of Ranvier
multiple sclerosis- diabetes- alcoholism Demyelination
Increases conduction velocity of neural signals myelin
Created by: hamanis