cilia

cilia
/sil"ee euh/, n.pl., sing. cilium /sil"ee euhm/.
1. Biol. minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals. See diag. under paramecium.
2. Anat. the eyelashes.
[1705-15; NL, pl. of cilium eyelash, L: upper eyelid, perh. a back formation from supercilium eyebrow; see SUPERCILIUM]

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  • Cilia — Cil i*a, n. pl. {Cilium}, the sing., is rarely used. [L. cilium eyelid.] 1. (Anat.) The eyelashes. [1913 Webster] 2. (Biol.) Small, generally microscopic, vibrating appendages lining certain organs, as the air passages of the higher animals, and… …   The Collaborative International Dictionary of English

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  • Cilĭa — (lat.), Wimper; 1) (Anat.), Ciliae, Cilien, Augenwimpern, die an den Rändern der Augenlider zum Schutz des Auges befindlichen Härchen, s. Auge. Daher Ciliararterien (Arteriae ciliares), Schlagadern, welche zu dem Ciliarkörper im Auge (s.d.) u.… …   Pierer's Universal-Lexikon

  • Cilĭa — (lat.), die Augenwimpern; ciliar, die Wimpern betreffend; Ciliargefäße, die Blutgefäße der Aderhaut, die das gesamte Sehorgan mit Ausnahme des nervösen Teiles der Netzhaut und des Glaskörpers versorgen. Ciliarkörper, der vordere Teil der Aderhaut …   Meyers Großes Konversations-Lexikon

  • CILIA — urbs Stiriae, ad Savi fluvii ripam, uti apparet ex vestigiis, antiqua, nam inscriptiones in ea plures nominum Romanotum apparent. Mercat. Ciliae Comes Ulricus celebris fuit saeculô 15. Huic Ladislaus Hungariae Rex Austriam gubernandam commisit, A …   Hofmann J. Lexicon universale

  • cilia — [sil′ē ə] pl.n. sing. cilium [sil′ē əm] [L, pl. of cilium, eyelid; akin to celare: see CONCEAL] 1. the eyelashes 2. [ModL] Bot. small hairlike processes extending from certain plant cells and forming a fringe, as on the edges of some leaves 3.… …   English World dictionary

  • cilia — Plural of cilium. * * * cilia pl of CILIUM * * * cil·ia (silґe ə) sing. cilґium [L.] 1. [TA] eyelashes: the hairs growing on the edges of the eyelids. 2. minute vibratile, hairlike processes that project from the free surface of a cell and… …   Medical dictionary

  • cilia — (sil e ah) Threadlike appendages extending from the surface of some protozoa that beat rhythmically to propel them; cilia are membrane bound cylinders with a complex internal array of microtubules, usually in a 9 1 2 pattern …   Dictionary of microbiology

  • cilia — n. singular form of cilia (tiny hairlike parts) …   English contemporary dictionary

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