Oral infraciliature

Description:

Oral infraciliature of Condylostomides tardus (PENARD,1922). The yellow arrowhead indicates the frontal membranelles along the anterior portion of the paraoral membrane (light blue arrowhead). There is a prominent adoral zone of membranelles on the left side of the buccal cavity.A system of fibrils arises from the basal bodies of the paraoral membrane. The dark blue arrowhead indicates the longer cilia comprising the frontal membranelles.From non-flooded Petri dish culture of soil from the intermittently flooded grass lawn of a park in Boise,Idaho. Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.