Diatoms of North AmericaDiatoms of North America

ardissonea-guide3-part.jpg

  • Glossary Term
    Alveolus
  • Caption
    Internal view of apex of Ardissonea valve (SEM). Arrow #3 shows an alveolus with a foramen as the internal opening; #4 shows one of the small pores providing the internal openings to other alveoli of the valve.
  • Credit
    Tom Frankovich, Mike Sullivan, Matt Ashworth
Ardissonea alveoli

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