Definitions for "Saxitoxin"
A naturally occurring biological toxin that blocks voltage-dependent sodium channels and prevents neurons from firing action potentials.
a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans
Non-protein toxins produced by single celled marine organisms which maybe acculmulated by shellfish and result in Paralytic Shellfish Poisoning (PSP).