Definition of ISTOM. Meaning of ISTOM. Synonyms of ISTOM
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Definition of ISTOM
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Amphistomous Amphistomous Am*phis"to*mous, a. [Gr. ? + ? mouth.] (Zo["o]l.)
Having a sucker at each extremity, as certain entozoa, by
means of which they adhere.
Christom Christom Chris"tom, n.
See Chrisom. [Obs.] --Shak.
Distoma Distoma Dis"to*ma, n. [NL., fr. Gr. di- = di`s- twice + ?
mouth.] (Zo["o]l.)
A genus of parasitic, trematode worms, having two suckers for
attaching themselves to the part they infest. See 1st
Fluke, 2.
Distoma lanceolatum Fluke Fluke (fl[=u]k), n. [Cf. AS. fl[=o]c a kind of flatfish,
Icel. fl[=o]ki a kind of halibut.]
1. (Zo["o]l.) The European flounder. See Flounder. [Written
also fleuk, flook, and flowk]. [1913 Webster]
2. (Zo["o]l.) A parasitic trematode worm of several species,
having a flat, lanceolate body and two suckers. Two
species (Fasciola hepatica and Distoma lanceolatum)
are found in the livers of sheep, and produce the disease
called rot. [1913 Webster]
Peristomata Peristoma Pe*ris"to*ma, n.; pl. Peristomata. [NL.]
Same as Peristome.
Peristome Peristome Per"i*stome, n. [Pref. peri- + Gr. ?, ?, mouth.]
1. (Bot.) The fringe of teeth around the orifice of the
capsule of mosses. It consists of 4, 8, 16, 32, or 64
teeth, and may be either single or double.
2. (Zo["o]l.)
(a) The lip, or edge of the aperture, of a spiral shell.
(b) The membrane surrounding the mouth of an invertebrate
animal.
Peristomial Peristomial Per`i*sto"mi*al, a. (Zo["o]l.)
Of or pertaining to a peristome.
Peristomium Peristomium Per`i*sto"mi*um, n. [NL.]
Same as Peristome.
Scyphistoma Scyphistoma Scy*phis"to*ma, n.; pl. Scyphistomata,
Scyphistom[ae]. [NL., fr. Gr. ? a cup + ? the mouth.]
(Zo["o]l.)
The young attached larva of Discophora in the stage when it
resembles a hydroid, or actinian.
Scyphistomae Scyphistoma Scy*phis"to*ma, n.; pl. Scyphistomata,
Scyphistom[ae]. [NL., fr. Gr. ? a cup + ? the mouth.]
(Zo["o]l.)
The young attached larva of Discophora in the stage when it
resembles a hydroid, or actinian.
Scyphistomata Scyphistoma Scy*phis"to*ma, n.; pl. Scyphistomata,
Scyphistom[ae]. [NL., fr. Gr. ? a cup + ? the mouth.]
(Zo["o]l.)
The young attached larva of Discophora in the stage when it
resembles a hydroid, or actinian.
Tristoma Tristoma Tris"to*ma, n. [NL., from Gr. ? (see Tri-) + ?
mouth.] (Zo["o]l.)
Any one of numerous species of trematode worms belonging to
Tristoma and allied genera having a large posterior sucker
and two small anterior ones. They usually have broad, thin,
and disklike bodies, and are parasite on the gills and skin
of fishes.
