Found 2 items, similar to Infusoria.
English → English
n : in some recent classifications, coextensive with the
Ciliata: minute organisms found in decomposing infusions
of organic matter [syn: subclass Infusoria
English → English
, n. pl. [NL.; -- so called because
found in infusions which are left exposed to the air for a
time. See Infuse
One of the classes of Protozoa, including a large number of
species, all of minute size. Formerly, the term was applied
to any microbe found in infusions of decaying organic
material, but the term is now applied more specifically to
one of the classes of the phylum Ciliophora, of ciliated
[1913 Webster +PJC]
Note: (From 1913 dictionary): They are found in all seas,
lakes, ponds, and streams, as well as in infusions of
organic matter exposed to the air. They are
distinguished by having vibrating lashes or cilia, with
which they obtain their food and swim about. They are
devided into the orders Flagellata
. See these words in the Vocabulary.
Formely the term Infusoria was applied to all
microscopic organisms found in water, including many
minute plants, belonging to the diatoms, as well as
minute animals belonging to various classes, as the
Rotifera, which are worms; and the Rhizopoda, which
constitute a distinct class of Protozoa. Fossil
Infusoria are mostly the siliceous shells of diatoms;
sometimes they are siliceous skeletons of Radiolaria,
or the calcareous shells of Foraminifera.
, a. [Cf. F. animal.]
1. Of or relating to animals; as, animal functions.
2. Pertaining to the merely sentient part of a creature, as
distinguished from the intellectual, rational, or
spiritual part; as, the animal passions or appetites.
3. Consisting of the flesh of animals; as, animal food.
. See Magnetism
, the electricity developed in some
animals, as the electric eel, torpedo, etc.
(Zo["o]l.), a name given to certain marine
animals resembling a flower, as any species of actinia or
sea anemone, and other Anthozoa, hydroids, starfishes,
(Physiol.), the heat generated in the body of a
living animal, by means of which the animal is kept at
nearly a uniform temperature.
. See under Spirit
, the whole class of beings endowed with
animal life. It embraces several subkingdoms, and under
these there are Classes, Orders, Families, Genera,
Species, and sometimes intermediate groupings, all in
regular subordination, but variously arranged by different
Note: The following are the grand divisions, or subkingdoms,
and the principal classes under them, generally
recognized at the present time:
, including Mammalia or Mammals, Aves or
Birds, Reptilia, Amphibia, Pisces or Fishes,
Marsipobranchiata (Craniota); and Leptocardia
, including the Thaliacea
or Ascidians. Articulata
including Insecta, Myriapoda, Malacapoda, Arachnida,
Pycnogonida, Merostomata, Crustacea (Arthropoda); and
Annelida, Gehyrea (Anarthropoda).
, including Rotifera,
Ch[ae]tognatha, Nematoidea, Acanthocephala, Nemertina,
Turbellaria, Trematoda, Cestoidea, Mesozea.
, including Brachiopoda and Bryozoa.
, including Cephalopoda, Gastropoda,
Pteropoda, Scaphopoda, Lamellibranchiata or Acephala.
, including Holothurioidea, Echinoidea,
Asterioidea, Ophiuroidea, and Crinoidea.
, including Anthozoa
, and Hydrozoa
or Acalephs. Spongiozoa
, including the sponges.
, including Infusoria
definitions, see these names in the Vocabulary.