- Eyelashes - Eyelashes (anatomy) - The eyelashes. - Small, generally microscopic, vibrating appendages
lining certain organs, as the air passages of the higher animals, and
in the lower animals often covering also the whole or a part of the
exterior. They are also found on some vegetable organisms. In the
Infusoria, and many larval forms, they are locomotive organs. - Hairlike processes, commonly marginal and forming a
fringe like the eyelash. - Small, vibratory, swimming organs, somewhat resembling
true cilia, as those of Ctenophora.
- Having wings attached to the feet; as, wing-footed
Mercury; hence, swift; moving with rapidity; fleet. - Having part or all of the feet adapted for flying. - Having the anterior lobes of the foot so modified as
to form a pair of winglike swimming organs; -- said of the pteropod
mollusks.
- An order of pelagic Hydrozoa including species
which form complex free-swimming communities composed of numerous
zooids of various kinds, some of which act as floats or as swimming
organs, others as feeding or nutritive zooids, and others as
reproductive zooids. See Illust. under Physallia, and Porpita.