Definitions
Ommatidium
- Cylindrical or prismoidal visual constituent of compound eye covered by transparent cuticle (cornea). [Moore and McCormick, 1969]
- Cylindrical or prismoidal visual constituent of compound eye covered by transparent cuticle (cornea).
(pl. ommatidia) [McLaughlin, 1980] - (Taxon-specific: Order Decapoda) One of numerous elongate, closely adjoining units forming eye; covered by cornea. [Stachowitsch, 1992]
- (Taxon-specific: Subclass Branchiura) One of up to 75 elongate, closely adjoining units forming each compound eye; lacks directly overlying true cornea. [Stachowitsch, 1992]