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50.1 MB (50.0 MB compressed)
5125 x 3418 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
JERZY GUBERNATOR / SCIENCE PHOTO LIBRARY JERZY GUBERNATOR / SCIENCE PHOTO LIBRARY
Tick. Light micrograph of the head of a male castor bean tick (Ixodes ricinus) showing its mouthparts (yellow). 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: x120 when printed at 10 centimetres across.
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