Definition of Ommatidia. Meaning of Ommatidia. Synonyms of Ommatidia

- like insects, crustaceans and millipedes are composed of units called ommatidia (sg.: ommatidium). An ommatidium contains a cluster of photoreceptor cells...
- arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent photoreception units that consist of a cornea...
- moves across the eye as the animal is rotated. This occurs because the ommatidia that one observes "head-on" (along their optical axes) absorb the incident...
- photoreceptor units or ommatidia (ommatidium, singular). The image perceived is a combination of inputs from the numerous ommatidia (individual "eye units")...
- lineola has holoptic compound eyes, with the dorsal ommatidia larger than the ventral ommatidia In some male mayflies the eyes are split into separate...
- size of the eyes of adult animals and have fewer ommatidia. Also, the facets of the frontal ommatidia, which are usually used for the detection of partners...
- prey. Compound eyes consist of fifteen to several thousand independent ommatidia, columns that are usually hexagonal in cross section. Each ommatidium...
- remnants of the borders between the ommatidia typically present in eyes evolved through fusion of the ommatidia, it is more likely that they developed...
- of ommatidia, clusters of photoreceptor cells. Each eye consists of two flattened hemispheres separated by parallel rows of specialised ommatidia, collectively...
- also been called Tetraconata, referring to having four cone cells in the ommatidia. The term "Tetraconata" is preferred by some scientists in order to avoid...