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right dorsolateral view,excretory pores of contractile vacuole

Image of Oligohymenophorea

Description:

Right dorsolateral surface view of the hymenostome ciliate, Frontonia angusta (Kahl, 1931). Very similar in overall apppearance to F. acuminata (Ehrenberg,1833)Buetschli,1889. F. angusta lacks the anterior apical collection of pigmented granules seen in F. acuminata and its contractile vacuole has 3-4 excretory pores (4 in this case).The approximately 6 µm long extrusomes are clearly visible. Ingested diatoms and green algae are present. Collected from a freshwater pond near Boise, Idaho.DIC.

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cc-by-nc
author
William Bourland
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micro*scope
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ID
27475850