Arachnology
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Arachnology
Arachnology (pronounced: /əˌrakˈnɒlədʒi/) is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, and harvestmen, collectively called arachnids.
Etymology
The term "Arachnology" comes from the Greek words "ἀράχνη" (aráchnē), meaning "spider", and "-λογία" (-logía), meaning "study of".
Related Terms
- Arachnid: The class of joint-legged invertebrate animals in the subphylum Chelicerata. All arachnids have eight legs, although the front pair of legs in some species has converted to a sensory function.
- Spider: An eight-legged predatory arachnid with an unsegmented body consisting of a fused head and thorax and a rounded abdomen. Spiders are known for the impressive webs they weave.
- Scorpion: A predatory arachnid of the order Scorpiones. They have eight legs and are easily recognized by the pair of grasping pedipalps and the narrow, segmented tail, often carried in a characteristic forward curve over the back, ending with a venomous stinger.
- Pseudoscorpion: Also known as false scorpions or book scorpions, they are small arachnids with a flat, pear-shaped body and pincers that resemble those of scorpions.
- Harvestman: They are known for their exceptionally long walking legs, compared to body size, although there are also short-legged species. Unlike spiders, the body of a harvestman is not divided into two parts.
See Also
- Entomology: The study of insects.
- Zoology: The study of animals and animal behavior.
- Biology: The study of life and living organisms.
External links
- Medical encyclopedia article on Arachnology
- Wikipedia's article - Arachnology
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