- fecal smear:
- a diagnostic technique in which a sample of feces is spread thinly on a
glass slide, stained and examined microsopically for parasites.
- festoon:
- rectangular areas separated by grooves along the posterior dorsal margin of
ticks.
- filariform:
- possessing a simple, tubular esophagus.
- fixation artifact:
- any change in the structure of an organism induced during its preservation
or other processing; used all too often as the basis for describing new
species.
- flagellum:
- motile, long, cylindrical organelle containing a longitudinal bundle of
microtubules and surrounded by a plasma membrane; usually present singly or in
small numbers.
- fluke:
- common name for Digenea and Monogenea.
- follicular vitellaria:
- vitelline glands present as small follicles dispersed throughout the body,
connected by a system of ducts.
- furca:
- an external, sclerotized, forked structure used for attachment.
- furcocercous:
- a cercaria possessing a forked tail.