Epiphragm — Ep i*phragm, n. [Gr. ? a covering, lid, fr. ? to block up.] (Zo[ o]l.) A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or estivation. [1913 Webster] … The Collaborative International Dictionary of English
epiphragm — noun Etymology: Greek epiphragma covering Date: circa 1854 a closing membrane or septum (as of a snail shell or a moss capsule) … New Collegiate Dictionary
epiphragm — n. [Gr. epi, upon; phragma, partition] (MOLLUSCA: Gastropoda) In land snails, a sheet of dried mucus across the aperture preventing loss of moisture during aestivation or hibernation … Dictionary of invertebrate zoology
epiphragm — epiphragmal /ep euh frag meuhl/, adj. /ep euh fram /, n. 1. a calcified or membranous septum produced by certain land snails during hibernation and functioning to cover the shell opening and prevent desiccation. 2. Bot. a membrane enclosing the… … Universalium
epiphragm — noun A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation … Wiktionary
epiphragm — ep·i·phragm … English syllables
Crucibulum — laeve growing on wood Scientific classification … Wikipedia
Operculum (gastropod) — Gastropod shell of the freshwater snail Viviparus contectus with corneous operculum in place … Wikipedia
Cyathus striatus — Scientific classification Kingdom … Wikipedia
Desiccation tolerance — refers to the ability of an organism to withstand or endure extreme dryness, or drought like conditions. Plants and animals living in arid or periodically arid environments such as temporary streams or ponds may face the challenge of desiccation … Wikipedia
