Pseudo-nitzschia
noun
Pseu·do-nitzsch·ia
ˌsüd-ō-ˈnich-ē-ə 
: a genus of diatoms (order Bacillariales) including several (such as P. australis and P. pungens) that occur in algal blooms, produce domoic acid, and cause amnesic shellfish poisoning
Cite this Entry
“Pseudo-nitzschia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Pseudo-nitzschia. Accessed 1 Dec. 2025.
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