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Spider simple eyes, SEM

Spider simple eyes, SEM

C018/0560

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Credit

LOUISE HUGHES / SCIENCE PHOTO LIBRARY LOUISE HUGHES / SCIENCE PHOTO LIBRARY

Caption

Spider simple eyes, coloured scanning electron micrograph (SEM). The arrangement of eyes differs widely between spiders, but in general they have eight eyes (here, two rows of four): several large ocelli for vision, and several smaller ones to increase sensitivity to light levels. Ocelli cannot focus or see in colour, but are used to detect differences in light intensity. A spider's main sensory apparatus is the system of sensory bristles (setae) covering its body. Magnification: x120 when printed at 10 centimetres across.

Release details

Model release not required. Property release not required.

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