Sunday 10 June 2012

CYTOPYGE-PARAMECIUM

During the time of ingestion a minute aperture called cell anus called as cytopyge or cytoproct is visible. Behind the posterior end, a little  small portion of the ectoplasm and pellicle is present.
FOOD VACUOLES-The numerous non-contractile called as gastrioles by vokovsky is present .The food vacuoles moving with streaming endoplasm.They are round in shape they differ in shape and size accourding to the nature of the ingested food particles.
ORAL GROOVE-The ventral surface of the body bears a prominent oblique and shallow depression called as oral groove. It originates from the middle of the body and extends to the left side of the anterior end.

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