Oral infraciliature

Description:

Oral infraciliature of Frontonia acuminata (EHRENBERG, 1833) BUETSCHLI, 1889. There are three slightly curved parallel adoral membranelles on the left of the oral aperture (M1,M2 and M3). There is a paraoral membrane on the right side of the oral aperture (POM). The oral opening (OO) is situated between the POM and M3. There are 3 vestibular kineties (VK) to the right of the POM. A sinuous densely argyrophilic line follows the course of the postoral suture (POS).Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.