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Rev 1
Intro
Question | Answer |
---|---|
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 |