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In the compound eye of invertebrates such as insects and crustaceans, the pseudopupil appears as a dark spot which moves across the eye as the animal is rotated. [1]

10 relations: Compound eye, Crustacean, Insect, Invertebrate, Journal of Comparative Physiology, Ommatidium, Optical axis, PDF, Ray (optics), The Journal of Experimental Biology.

Compound eye

A compound eye is a visual organ found in arthropods such as insects and crustaceans.

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Crustaceans (Crustacea) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles.

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Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord.

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Journal of Comparative Physiology

Journal of Comparative Physiology was a journal that split into Journal of Comparative Physiology A and Journal of Comparative Physiology B in 1984.

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The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium).

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Optical axis

An optical axis is a line along which there is some degree of rotational symmetry in an optical system such as a camera lens or microscope.

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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Ray (optics)

In optics a ray is an idealized model of light, obtained by choosing a line that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow.

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The Journal of Experimental Biology

The Journal of Experimental Biology is a peer-reviewed scientific journal in the field of comparative physiology and integrative biology.

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[1] https://en.wikipedia.org/wiki/Pseudopupil

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