Also found in: Dictionary, Thesaurus, Encyclopedia.


, pl.


(flok'yū-lŭs, -lī),
1. A tuft or shred of cotton or wool or anything resembling it.
2. A small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the biventer lobule; it is associated with the nodulus of the vermis; together, these two structures compose the flocculonodular lobe (vestibular part) of the cerebellum.
Synonym(s): floccule
[Mod. L. dim. of L. floccus, a tuft of wool]
Farlex Partner Medical Dictionary © Farlex 2012


A small, loosely held mass or aggregate of fine particles, resembling a tuft of wool and suspended in or precipitated from a solution.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


An older term for a fluffy precipitate seen in a flocculation-type antigen-antibody reaction.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
Winter's (1972) study showed that ferric hydroxide floccules at concentrations above 1.0 mg [L.sup.-1] caused a mortality of 75% over 3 mo and 0.4 mg [L.sup.-1] caused a mortality of 40% over 5 mo.
All oysters removed from Treatments 4 and 5 displayed gross signs of iron floccules in the shell fluid and on the gill surface.
Iron floccules were observed grossly in oysters removed from field sites exposed to ASS-affected waters (Dove & Sammut in press).
Murine monoclonal antibody adsorbed onto vinylidene fluoride floccules used to eliminate antibody interference in "sandwich"-type immunoassays.
1, the R value (B) of the total CS absorbed to stearic acid was appreciably higher than that (C) after the floccules were washed with anhydrous diethyl ether and the ratio (A) of n([COO.sup.-])/n([NH.sub.3.sup.+]).
The formation of large floccules also increased the settling rate of the fine solids in the tailings.
However, they provided no evidence that the clay crystals in the entities formed were in parallel or near parallel alignment, so they were probably investigating the characteristics of floccules rather than clay domains as they suggest.
The floc density [[rho.sub.f], a key parameter in assessing the floccules sedimentation rate, can be calculated through the following relation:
The chemical oxidation stability of the membranes was estimated by the appearance time of floccules of the small pieces of the membranes in Fenton reagent (a 3% [H.sub.2][O.sub.2] aqueous solution containing 2 ppm [FeSO.sub.4]) at 80 [degrees]C (22).