Compound eye of a gnat, SEM

Compound eye of a gnat, SEM

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Caption: Compound eye of a gnat. Scanning electron micrograph (SEM) of the surface of a compound eye from a fungus gnat (suborder Nematocera). The eye consists of many rounded lenses known as ommatidia. Each ommatidium is a simple eye that sends a signal to the gnat's brain. All the signals are combined by the brain to form a mosaic view of the world. The image seen is not very sharp but good at detecting movements. Between the lenses are hair-like structures called interommatidial bristles.

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Keywords: anatomical, anatomy, animal, biological, biology, black-and-white, bristles, compound eye, entomology, eye, false-coloured, fauna, gnat, hair, hairs, insect, insecta, interommatidial bristle, invertebrate, invertebrates, lens, lenses, many, monochrome, multiple, nature, ocular, ommatidia, ommatidium, optical, pattern, regular, scanning electron micrograph, scanning electron microscope, sem, suborder nematocera, vision, wildlife, zoological, zoology

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