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Adineta ricciae : ウィキペディア英語版 | Adineta ricciae
''Adineta ricciae'' is a species of freshwater rotifer in the family Adinetidae. It was first described in 2005 after being discovered by chance in dry mud beside a billabong in Australia. It is used as a model organism as it is easy to keep in culture. ==Description==
''Adineta ricciae'' is a microscopic invertebrate that can grow to a length of about . It has a retractable head with two pigmented, front-facing eyes, a mouth aperture and a corona of cilia. The bands of cilia are used in locomotion with two separate groups twirling in opposite directions. The body is slightly broader than the head and is cylindrical and contains the internal organs. It has muscles, a large stomach and short intestine, a cloaca, an excretory system, nerve ganglia, organs sensitive to touch and a pair of ovaries. At the posterior end is a foot with foot glands, short triangular spurs and three toes. The whole is enclosed in a flexible, transparent cuticle.
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「Adineta ricciae」の詳細全文を読む
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