Sentence Examples


  • The surface of a compound eye is seen to be covered with a large number of hexagonal corneal facets, each of which overlies an ommatidium or series of cell elements (fig.
  • - Single Ommatidium of Cockroach's Eye (after Grenacher).
  • The lateral eyes of Scorpio consist of groups of separate small lenses each with its ommatidium, but they do not form a continuous compound eye as in Limulus.
  • The ommatidium (soft structure beneath the lens-unit of a compound eye) is very simple in both Scorpio and Limulus.
  • The cells of tl ommatidium are a good deal larger than the neighbouring common cells of the epidermis.

How would you define ommatidium? Add your definition here.

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