Peristome — Péristome Schéma montrant l’emplacement du péristome. Le terme péristome, qui nous vient directement de la langue grecque et veut dire « autour de la bouche », est employé pour décrire diverses structures entourant l’ouverture d un… … Wikipédia en Français
péristome — [ peristɔm; peristom ] n. m. • 1803; de péri et gr. stoma « bouche » ♦ Bot. Couronne dentelée selon laquelle l opercule se détache de l urne (chez les mousses). ♢ Zool. Région qui entoure la bouche de certains animaux inférieurs. Spécialt Sillon… … Encyclopédie Universelle
péristomé — péristomé, ée (pé ri sto mé, mée) adj. Terme de botanique. Qui est muni d un péristome … Dictionnaire de la Langue Française d'Émile Littré
Peristome — Per i*stome, n. [Pref. peri + Gr. ?, ?, mouth.] 1. (Bot.) The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double. [1913 Webster] 2. (Zo[ o]l.) (a) The lip, or… … The Collaborative International Dictionary of English
peristome — [per′ə stōm΄] n. [ModL peristoma: see PERI & STOMA] 1. Bot. the fringe of teeth around the opening of the spore case in mosses 2. Zool. the area or parts surrounding the mouth or a mouthlike part of various invertebrates peristomial [per′istō′mē… … English World dictionary
Peristome — The word peristome is derived from the Greek peri, meaning around or about , and stoma, mouth . It is a term used to describe various anatomical features that surround an opening to an organ or structure. The term is used in plants and… … Wikipedia
Péristome — Schéma montrant l’emplacement du péristome … Wikipédia en Français
peristome — noun Etymology: New Latin peristoma, from peri + Greek stoma mouth more at stomach Date: circa 1796 1. the fringe of teeth surrounding the orifice of a moss capsule 2. the region around the mouth in various invertebrates • peristomial adjective … New Collegiate Dictionary
peristome — n. [Gr. peri, around; stoma, mouth] 1. The region surrounding the mouth. 2. (ANNELIDA) Segment modified to form part of the head and surround the mouth; buccal segments; see prostomium. 3. (ARTHROPODA: Insecta) Membranous tissue around the base… … Dictionary of invertebrate zoology
peristome — peristomal, peristomatic /per euh steuh mat ik/, peristomial, adj. /per euh stohm /, n. 1. Bot. the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed. 2 … Universalium
