12. a sudden attack of disease; especially the physical manifestations (as sensory disturbances, or loss of consciousness) resulting from abnormal electrical discharge in the brain.
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13. neither small nor large but between the two; clearly within the limits of a range of possibilities
14. a type of bacteria that causes an illness that cannot be cured by antibiotics
15. to pass a disease to a person, animal or plant
16. the set of nerves inside the spine that connect the brain to other nerves in the body