Skip to Content


Pronunciation: ā-sel′yū-lăr


  1. Devoid of cells.
  2. A term applied to unicellular organisms that do not become multicellular and are complete within a single cell unit; frequently applied to protozoans to emphasize their complete organization within a single cell.

Synonym(s): noncellular2

[G. a- priv. + L. cellula, a small chamber]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.