mechanism of tetanus disease, 3d

3d toxin biochemical spasm tonic bacteriology microbiological tetanus seizure neurotoxin rusty nail neurotropic exotoxin clostridium tetani lockjaw extrapyramidal spasmogenic opisthotonus tetanospasmin extreme arched pose spasticity spinal cord wound molecular model biological compound isolated man illustration medical chemical protein disease symptom substance biochemistry medicine toxic microbiology molecule clinical metal chemistry infected hyperextension biology structure