
doi: 10.1007/bf02008087
pmid: 4964745
The effects of hydrostatic pressure on the ciliateSpirostomum ambiguum, when the organism is uncalcified in the early stage of culture and when it is calcified after periods of time are described. Uncalcified cells are sensitive to pressure, becoming quiescent at 250 atm, distorting at 300 atm and disrupting at 550 atm. In contrast, the mature calcified animals show no changes at 550 atm. and small temporary increases in diameter only during 2 hr of treatment at 1000 atm.
Calcification, Physiologic, Pressure, Ciliophora
Calcification, Physiologic, Pressure, Ciliophora
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