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Eyestalk
:''This article is about eyes mounted on stalks. For the instinctive tendency to track prey, see eye-stalking''
In anatomy, an eyestalk (sometimes spelled as eye stalk or known as an ommatophore) is a protrusion that extends the eye away from the body, giving the eye a better field of vision. It is a common feature in nature and frequently appears in fiction.
== In nature ==
In nature, eyestalks are sometimes called ''tentacles'', and may also have olfactory organs at the end. Examples include snails, the trilobite superfamily Asaphida, and fly family Diopsidae. The crustacean family Polychelidae have eyestalks but no eye.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Eyestalk」の詳細全文を読む
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