A small island.
- blood i. SYN: blood island.
- islets of Langerhans cellular masses varying from a few to hundreds of cells lying in the interstitial tissue of the pancreas; they are composed of different cell types that comprise the endocrine portion of the pancreas and are the source of insulin and glucagon. SYN: i. tissue, Langerhans islands, pancreatic islands, pancreatic islets.
- pancreatic islets SYN: islets of Langerhans.

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is·let 'ī-lət n a small isolated mass of one type of tissue within a different type specif ISLET OF LANGERHANS

* * *

(in anatomy) a small group of cells that is structurally distinct from the cells surrounding it.

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is·let (iґlet) a cluster of cells or an isolated piece of tissue; see also island.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Islet — Is let, n. [OF. islette (cf. F. [^i]lot), dim. of isle.] A little island. [1913 Webster] …   The Collaborative International Dictionary of English

  • islet — 1530s, from M.Fr. islette (Mod.Fr. îlette), dim. of isle (see ISLE (Cf. isle)) …   Etymology dictionary

  • islet — ► NOUN ▪ a small island …   English terms dictionary

  • islet — [ī′lit] n. [OFr, dim. of isle, ISLE] a very small island …   English World dictionary

  • Islet — For human anatomy, see Islets of Langerhans An islet is a small island. Types As suggested by its origin as islette , an Old French diminutive of isle , [ Webster s New International Dictionary of the English Language, Second Edition , 1958] use… …   Wikipedia

  • Islet — L Islet Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. L Islet peut désigner : Au Canada L Islet, une MRC canadienne dans la région administrative de Chaudière Appalaches au Québec ; L Islet …   Wikipédia en Français

  • islet — isleted, adj. /uy lit/, n. 1. a very small island. adj. 2. Anat. situated in or pertaining to the islet of Langerhans: islet cells. [1530 40; < MF islette. See ISLE, ET] * * * …   Universalium

  • islet — UK [ˈaɪlət] / US noun [countable] Word forms islet : singular islet plural islets a small island …   English dictionary

  • islet — noun Date: 1538 1. a little island 2. islet of Langerhans …   New Collegiate Dictionary

  • islet — [[t]a͟ɪlət[/t]] islets N COUNT An islet is a small island. [LITERARY] …   English dictionary

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