Membranelle
MEMBRANELLE, an organ in Ciliate Infusoria (q.v.), a flattened assemblage of adherent cilia, like the plates of Ctenophora (q.v.): such are arranged in a series in the adoral wreath of the Heterothrichaceae Oligotrichaceae and Hypotrichaceae and constitute the posterior girdle of Peritricha.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)