- trichocysts
- n. organ in the protoplasm of some single-celled organisms which can eject a filament for purposes of offense or defense
English contemporary dictionary. 2014.
trichocysts
Look at other dictionaries:
Trichocyst — A trichocyst is a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejected in response to certain stimuli. Trichocysts may be widely distributed over an organism or… … Wikipedia
trichocyst — trichocystic, adj. /trik euh sist /, n. Zool. an organ of offense and defense embedded in the outer cytoplasm of certain protozoans, consisting of a small elongated sac containing a fine, hairlike filament capable of being ejected. [1850 55;… … Universalium
algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… … Universalium
trich|o|cyst|ic — «TRIHK uh SIHS tihk», adjective. 1. having to do with trichocysts. 2. having the character of trichocysts: »a trichocystic formation … Useful english dictionary
Cryptomonad — Cryptomonads Rhodomonas salina Scientific classification Domain: Eukaryota … Wikipedia
Nassophorea — Scientific classification Domain: Eukaryota Kingdom: Chromalveolata Superphylum: Alveolata … Wikipedia
Peniculid — Taxobox | color = #FA7B62 name = Peniculids image caption = Paramecium aurelia domain = Eukaryota regnum = Chromalveolata superphylum = Alveolata phylum = Ciliophora classis = Oligohymenophorea ordo = Peniculida ordo authority = Fauré Fremiet in… … Wikipedia
Extrusome — Extrusomes are membrane bound structures in some eukaryotes which, under certain conditions, discharge their contents outside the cell. There are a variety of different types, probably not homologous, and serving various functions. Notable… … Wikipedia
ciliate — ciliately, adv. ciliation, n. /sil ee it, ayt /, Biol. n. 1. Also called ciliophoran /sil ee of euhr euhn/. any protozoan of the phylum Ciliophora (or in some classification schemes, class Ciliata), as those of the genera Paramecium, Tetrahymena … Universalium
paramecium — /par euh mee shee euhm, sheuhm, see euhm/, n., pl. paramecia / shee euh, see euh/. any ciliated freshwater protozoan of the genus Paramecium, having an oval body and a long, deep oral groove. [1745 55; < NL < Gk paramék(es) oblong, oval + NL ium… … Universalium
