n. pl. [Gr. arche, beginning; kytos, container]
Large, wandering amoebocytes with multiple phagosomes in the mesenchyme; nurse cells; trophocytes.
2. A totipotent amoeboid cell.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Archaeocytes —  Ne doit pas être confondu avec Archaeocyatha. Les archaeocytes (ou archéocytes)(du grec archaios commençant et kytos vaisseau creux ) (à ne pas confondre avec les Archaeocyatha qui vécurent du début du Cambrien jusqu à la fin de la faune de …   Wikipédia en Français

  • archaeocytes — n. type of cell found in sponges (Zoology) …   English contemporary dictionary

  • Archaeocyte — Archaeocytes (from Greek beginning and hollow vessel ) or amoebocytes are amoeboid cells found in sponges. They are totipotent and have varied functions depending on the species.LocationArchaeocytes are located in the mesohyl, an acellular… …   Wikipedia

  • sponge — spongeless, adj. spongelike, adj. spongingly, adv. /spunj/, n., v., sponged, sponging. n. 1. any aquatic, chiefly marine animal of the phylum Porifera, having a porous structure and usually a horny, siliceous or calcareous internal skeleton or… …   Universalium

  • Sponge — This article is about the aquatic animal. For the porous cleaning tool, see Sponge (material). For other uses, see Sponge (disambiguation). Sponge Temporal range: Ediacaran–Recent …   Wikipedia

  • archeocyte — see archaeocytes …   Dictionary of invertebrate zoology

  • cercid — n. [Gr. kerkis, shuttle] (PORIFERA) A minute migrating cell produced by division of the archaeocytes …   Dictionary of invertebrate zoology

  • gemmule — n. [L. gemma, bud] 1. A bud like outgrowth that becomes an independent individual. 2. (PORIFERA) Composed of a mass of archaeocytes charged with reserves and enclosed in a non cellular protective envelope. 2. Historically a particle of heredity,… …   Dictionary of invertebrate zoology

  • nurse cells — 1. Cells of developing oocytes that provide material for further growth; trophocytes. 2. (ARTHROPODA: Insecta) In some species, the nurse cells synthesize nucleic acids and possibly protein and supply them to the oocyte via intercytoplasmic… …   Dictionary of invertebrate zoology

  • thermotaxis — n. [Gr. therme, heat; taxis, arrangement] A taxis in which heat is the response initiating stimulus; regulation of body temperature. thesocytes n. pl. [Gr. thesis, deposit; kytos container] (PORIFERA) In hibernating fresh water sponge gemmules,… …   Dictionary of invertebrate zoology

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