| Arachnida |
The arachnids, Arachnida, are a class of invertebrate animals in the subphylum Chelicerata. Arachnids are named for the mythological figure Arachne.They are chiefly terrestrial arthropods, some 65,000 to 73,000 species including the spiders, scorpions, harvestmen, ticks, and mites. The arachnids are easily distinguished from the insects by the fact that they have eight legs instead of six. ...
출처: en.wikipedia.org/wiki/Arachnida
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| arachnoiditis |
Arachnoiditis describes a pain disorder caused by the inflammation of the arachnoid, one of the membranes that surround and protect the nerves of the spinal cord. The arachnoid can become inflamed because of an irritation from chemicals, infection from bacteria or viruses, as the result of direct injury to the spine, chronic compression of spinal nerves, or complications from spinal surgery or other invasive spinal procedures. ...
출처: en.wikipedia.org/wiki/Arachnoiditis
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| arachnophobia |
Arachnophobia is the fear (or phobia) of spiders. It is among the most common phobias, and possibly the most common animal phobia of all. The reactions of arachnophobics often seem irrational to others (and sometimes to the sufferer himself, as well). People with arachnophobia may stay away from any area they believe to be inhabited by numerous spiders or covered in spider webs. ...
출처: en.wikipedia.org/wiki/Arachnophobia
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| Araneae |
Spiders are invertebrate animals that produce silk, have eight legs and no wings. More precisely, a spider is any member of the arachnid order Araneae, an order divided into three sub-orders in newer systems: the Mygalomorphae (the primitive spiders), the Araneomorphae (the modern spiders) and the Mesothelae, which contains the Family Liphistiidae, rarely seen burrowing spiders from Asia. ...
출처: en.wikipedia.org/wiki/Araneae
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| arachnid |
[ah-RACK-nid] a type of small animal characterized by a hard external skeleton, two body sections, eight legs, fang-like pincers (chelicerae) and simple eyes; common examples of arachnids include spiders, scorpions, ticks, and mites.
출처: members.aol.com/YESedu/glossary.html
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