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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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What are diatoms?
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MO000465_2b_ed.jpg
Glossary Term
Cavum
Caption
The rimmed depression and the edge of the cavum are visible in this light micrograph. The arrow rests on the open edge of the cavum.
Credit
Marina Potapova
