Spirostomum observed in pot water sample
Oct 24, 2018 • 11:09 PM UTC
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Praneeta NCMR
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A drop of water sample was placed on slide and coverslip was placed over it. Spirostomum was observed under foldscope.
Spirostomum is a free-living ciliateprotist , belonging to the class Heterotrichea . Species of Spirostomum are found in both salt and fresh water. All are elongated, flexible and highly contractile. The body of the cell is long and worm-like. It is mainly cylindrical but may be flattened at the tail end. A Spirostomum’s body has spiral rows of cilia. The cilia beat back and forth to move the organism with a snake-like wiggling motion. The mechanism of Spirostomum ‘s contractility was first studied by Ernst Haeckel in 1873.
Spirostomum ambiguum can contract its body length by more than 60% within a few milliseconds. According to Dr Manu Prakash, they are very special since they can contract at an incr edible speed(5ms); one of the fastest contractile cell.
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Spirostomum is a free-living ciliateprotist , belonging to the class Heterotrichea . Species of Spirostomum are found in both salt and fresh water. All are elongated, flexible and highly contractile. The body of the cell is long and worm-like. It is mainly cylindrical but may be flattened at the tail end. A Spirostomum’s body has spiral rows of cilia. The cilia beat back and forth to move the organism with a snake-like wiggling motion. The mechanism of Spirostomum ‘s contractility was first studied by Ernst Haeckel in 1873.
Spirostomum ambiguum can contract its body length by more than 60% within a few milliseconds. According to Dr Manu Prakash, they are very special since they can contract at an incr edible speed(5ms); one of the fastest contractile cell.
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