dehiscence

dehiscence
dehiscent, adj.
/di his"euhns/, n.
1. Biol. the release of materials by the splitting open of an organ or tissue.
2. Bot. the natural bursting open of capsules, fruits, anthers, etc., for the discharge of their contents.
3. Surg. the bursting open of a surgically closed wound.
[1820-30; < NL dehiscentia, equiv. to L dehiscent- s. of dehiscens, prp. of dehiscere (see DEHISCE) + -ia; see -ENCE]

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Universalium. 2010.

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  • déhiscence — [ deisɑ̃s ] n. f. • 1798; de déhiscent ♦ Bot. Ouverture d organes déhiscents. Déhiscence de l anthère d une étamine. « C est l époque de la déhiscence, le fruit s ouvre et les graines sautent » (Duhamel). ⊗ CONTR. Indéhiscence. ● déhiscence nom… …   Encyclopédie Universelle

  • Dehiscence — can refer to: Dehiscence (botany) is the spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents. Wound dehiscence is a previously closed wound reopening. Superior canal dehiscence in… …   Wikipedia

  • Dehiscence — Déhiscence Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Biologie végétale La déhiscence est l ouverture spontanée d organes végétaux clos (anthères, fruits) suivant des zones définies, pour livrer… …   Wikipédia en Français

  • Dehiscence — De*his cence, n. [Cf. F. d[ e]hiscence.] 1. The act of gaping. [1913 Webster] 2. (Biol.) A gaping or bursting open along a definite line of attachment or suture, without tearing, as in the opening of pods, or the bursting of capsules at maturity… …   The Collaborative International Dictionary of English

  • dehiscence — 1828, from Mod.L. dehiscentia, from dehiscentem (nom. dehiscens), prp. of dehiscere to gape, open, split down (of the earth, etc.), from de (see DE (Cf. de )) + hiscere, inchoative of hiare to yawn (see YAWN (Cf. yawn)) …   Etymology dictionary

  • dehiscence — [dēhis′əns] n. [L dehiscens, prp. of dehiscere: see DEHISCE] a splitting open, as of a pod or anther, along definite structural lines dehiscent adj …   English World dictionary

  • Déhiscence — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Biologie végétale La déhiscence est l ouverture spontanée d organes végétaux clos (anthères, fruits) suivant des zones définies, pour livrer passage à… …   Wikipédia en Français

  • dehiscence — noun Etymology: New Latin dehiscentia, from Latin dehiscent , dehiscens, present participle of dehiscere Date: 1819 an act or instance of dehiscing < pollen freed by dehiscence of the anther > • dehiscent adjective …   New Collegiate Dictionary

  • dehiscence — A bursting open, splitting, or gaping along natural or sutured lines. [L. dehisco, to split apart or open] iris d. a defect of the eye characterized by multiple holes in the iris. root d. a loss of the buccal or lingual bone ove …   Medical dictionary

  • dehiscence — dehisce ► VERB technical ▪ gape or burst open. DERIVATIVES dehiscence noun dehiscent adjective. ORIGIN Latin dehiscere, from hiscere begin to gape …   English terms dictionary

  • Dehiscence (botany) — Dehiscence of the follicular fruit of milkweed (Asclepias syriaca) revealing seeds within. Dehiscence is the opening, at maturity, in a pre defined way, of a plant structure, such as a fruit, anther, or sporangium, to release its contents.… …   Wikipedia

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