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Tick (zoology)
Tick is the common name for some species of arachnids, larger than mites, parasites of cattle, dogs, birds, reptiles, and other animals, including humans.
Ticks live in woods or dense vegetation; they have a body similar to that of a mite, with a tough exoskeleton and four pairs of limbs ending in claws. Their mouthparts include a rostrum, covered with backward-curving hooks and similar to the maxilla or pedipalps of other arachnids, and a pair of mandibles that move back and forth within two longitudinal channels contained within the rostrum.
The tick attaches itself to an animal's skin, making a hole in it and sucking its blood. Various diseases, such as Lyme disease and some Rickettsia, are transmitted to humans through tick bites or contact with their feces.
Scientific classification: Ticks are divided into ixodid (or hard ticks) and argasid (or soft ticks) and belong to the order Acari, class Arachnids.
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