Term Name: | ommatidium |
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Synonyms: | omatidia, omatidium |
Definition: | The smallest morphological and functional unit of the compound eye that consists of a usually limited and often constant number of rhabdomeric photoreceptor cells, cornea-secreting epithelial cells, and interommatidial pigment cells, and may additionally contain crystalline cone cells. |
Ontology: | Cell Ontology [UBERON:0000971] |