n. [Gr. meta, after; L. corpus, body]
The median esophageal bulb; the middle bulb; the median bulb.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

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  • corpus — n.; pl. corpora [L. corpus, body] 1. A body or structure. 2. (ARTHROPODA: Insecta) a. The body. b. In many Collembola, the basal part of the minute pair of appendages on the 3rd abdominal segment; the appendages themselves known as the… …   Dictionary of invertebrate zoology

  • median bulb — see metacorpus …   Dictionary of invertebrate zoology

  • median esophageal bulb — see metacorpus …   Dictionary of invertebrate zoology

  • metacorporal valve — (NEMATA) An expanded, strongly cuticularized portion of the triradiate lumen at the center of the metacorpus that functions as a pump during feeding …   Dictionary of invertebrate zoology

  • middle bulb — see metacorpus …   Dictionary of invertebrate zoology

  • procorpus — n. [L. pro, before; corpus, body] (NEMATODA: Secernentea) In Tylenchida, the anteriormost cylindrical part of the esophagus, between the stylet and metacorpus (median bulb) …   Dictionary of invertebrate zoology

  • tylenchoid esophagus — (NEMATODA: Secernentea) An esophagus with a narrow procorpus, a strongly formed median bulb (metacorpus), followed by a narrow typical isthmus and terminating with a glandular basal bulb …   Dictionary of invertebrate zoology

  • Blattälchen — Systematik Klasse: Secernentea Unterklasse: Diplogasteria Ordnung: Tylenchida Familie: Aphelenchoididae …   Deutsch Wikipedia

  • NÉMATHELMINTHES — Les Némathelminthes, ou vers ronds, dont les plus grandes formes étaient connues bien avant l’ère chrétienne, n’ont suscité que tardivement la création d’une branche distincte en zoologie. L’étude de ces animaux est restée pour une large part… …   Encyclopédie Universelle

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