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50.6 MB (1.5 MB compressed)
4564 x 3874 pixels
38.6 x 32.8 cm ⏐ 15.2 x 12.9 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Tick mouthparts, coloured scanning electron micrograph (SEM). The mouthparts of a tick consist of three visible components. The two outer jointed parts are highly mobile palps. Between the palps, at centre, is a rod-shaped structure, the hypostome. The palps do not enter the skin of the host while the tick is feeding, while the hypostome is inserted into the host's skin. The backward-pointing projections prevent easy removal of the tick. Magnification: x180 when printed at 10 centimetres across.
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