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60.2 MB (60.0 MB compressed)
5616 x 3744 pixels
47.5 x 31.8 cm ⏐ 18.7 x 12.5 in (300dpi)
DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Cockroach's head. Light micrograph of the head and mouthparts of the American cockroach (Periplaneta orientalis). The head consists of two hemispherical compound eyes (top centre). At the base of the eyes are the segmented antennae (upper left and upper right). The mouthparts are below the antennae. From centre, they are: the labrum; the two jaws or mandibles (either side of the labrum, with dark brown teeth); two jointed bifurcated maxillae (outside the mandibles); the labium (below the mandibles). The labium ends in the hypopharynx (bottom centre), with the paraglossa and labial palps on either side. Magnification: x14 when printed at 10 centimetres across.
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