1. One of a pair of caudal chemoreceptors seen in nematodes of the class Secernentasida (Phasmidia). 2. Common name for a member of the class Phasmidia, now Secernentasida.

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phas·mid 'fas-mid n either of the paired lateral postanal organs characteristic of most parasitic nematodes and usu. regarded as chemoreceptors see PHASMIDIA

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phas·mid (fazґmid) 1. one of a pair of caudal chemoreceptors occurring in certain nematodes. The class Nematoda is sometimes divided into two subclasses, Phasmidia and Aphasmidia, on the basis of the presence or absence of these organs. 2. a nematode belonging to the Phasmidia. Cf. aphasmid.

Medical dictionary. 2011.

Look at other dictionaries:

  • Phasmid — Phas mid, n. [See {Phasm}. Probably so called from its mimicking, or appearing like, inanimate objects.] (Zo[ o]l.) Any orthopterous insect of the family {Phasmid[ae]}, as a leaf insect or a stick insect. [1913 Webster] …   The Collaborative International Dictionary of English

  • phasmid — [faz′mid΄, fas′mid] n. [< ModL Phasmida < Gr phasma, an apparition (akin to phainein, to show: see FANTASY) + ida < neut. pl. of L ides: see ID] any of various sticklike or leaflike insects (order Phasmatoptera), including the walking… …   English World dictionary

  • phasmid — noun Etymology: New Latin Phasmida, group name, from Phasma, type genus, from Greek, apparition, from phainein to show more at fancy Date: 1872 any of an order (Phasmatodea syn. Phasmida) of large cylindrical or sometimes flattened chiefly… …   New Collegiate Dictionary

  • phasmid — fazmidė statusas T sritis augalininkystė apibrėžtis Klonavimo vektorius, kuris gali replikuotis (padvigubėti) kaip plazmidė arba fagas (du replikacijos būdai, būdingi kai kurioms bakterijoms). atitikmenys: angl. phasmid rus. фазмида …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • phasmid — noun large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects • Syn: ↑phasmid insect • Hypernyms: ↑insect • Hyponyms: ↑walking stick, ↑walkingstick, ↑stick insect …   Useful english dictionary

  • phasmid — n. [Gr. phasma, apparition; edios, like] (NEMATA) One of a pair of lateral caudal pores (sensilla) connecting with a glandular pouch that alledgedly functions as a chemoreceptor; see scutellum …   Dictionary of invertebrate zoology

  • phasmid — Hybrid phage/plasmid formed by integration of plasmid containing the att site, and lambda phage, mediated by phage integrase site specific recombination …   Dictionary of molecular biology

  • phasmid — /faz mid/, n. 1. any insect of the order Phasmida, comprising the walking sticks and leaf insects. adj. 2. of or pertaining to the phasmids. [1870 75; < NL Phasmida the order name, equiv. to Phasm(a) the type genus ( < Gk phásma apparition, so… …   Universalium

  • phasmid — noun a) Any insect of the order Phasmida; the leaf insects and walking sticks b) Either of the two caudal chemoreceptors in some nematodes …   Wiktionary

  • phasmid — phas·mid …   English syllables

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