mesozoan
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mesozoan — [mes΄ə zō′ən, mez΄zō′ən] n. any of a phylum (Mesozoa) of small, multicellular, wormlike organisms characterized by a very simple, ciliated body with only a mouth, body cavity, and anus: it is a parasite in various marine invertebrates … English World dictionary
mesozoan — me·so·zo·an zō ən n any of the animals that comprise the taxon Mesozoa, that includes small wormlike parasitic forms with an outer layer of somatic cells and an inner mass of reproductive cells, and that are often regarded as intermediate in… … Medical dictionary
mesozoan — /mez euh zoh euhn, mes , mee zeuh , seuh /, Zool. n. 1. any member of the phylum Mesozoa. adj. 2. of or pertaining to the mesozoans. [MESOZO(A) + AN] * * * ▪ marine invertebrate any of approximately 50 species of small, ciliated,… … Universalium
mesozoan — meso·zo·an … English syllables
mesozoan — adjective see mesozoa … Useful english dictionary
Mesozoa — The Mesozoa are enigmatic, minuscule, worm like parasites of marine invertebrates. It is still unclear as to whether they are degenerate platyhelminthes (flatworms) or truly primitive, basal metazoans. Generally, these tiny, elusive creatures… … Wikipedia
Agnotozoa — Taxobox name = Agnotozoa image width = 200px image caption = Trichoplax adhaerans . regnum = Animalia subdivision ranks = Phyla subdivision = * Placozoa * Orthonectida * RhombozoaAgnotozoa is the name of a taxon of simple animals. The name first… … Wikipedia
Eumetazoa — Taxobox name = Eumetazoa fossil range = Ediacaran Recent image width = 250px image caption = A lancelet domain = Eukaryota regnum = Animalia subregnum = Eumetazoa subregnum authority = Butschli, 1910 subdivision ranks = Phyla subdivision =… … Wikipedia
animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… … Universalium
dicyemid — any member of the order Dicyemida (phylum Rhombozoa) of multicellular wormlike parasites of various marine invertebrates. See mesozoan. * * * … Universalium
