Definition of Epiphragm

1. n. A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or æstivation.



Definition of Epiphragm

1. Noun. A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation. ¹

¹ Source: wiktionary.com

Definition of Epiphragm

1. [n -S]

Medical Definition of Epiphragm

1. A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or aestivation. Origin: Gr. A covering, lid, fr. To block up. (19 Mar 1998)

Epiphragm Pictures

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Lexicographical Neighbors of Epiphragm

epiphatic
epiphenomena
epiphenomenal
epiphenomenalism
epiphenomenalisms
epiphenomenally
epiphenomenon
epiphlœum
epiphonema
epiphonemas
epiphonemata
epiphoneme
epiphonemes
epiphora
epiphoras
epiphragm (current term)
epiphragms
epiphrases
epiphrasis
epiphrenic
epiphrenic diverticulum
epiphyllous
epiphyllum
epiphyllums
epiphyseal
epiphyseal fracture
epiphyses
epiphysial

Literary usage of Epiphragm

Below you will find example usage of this term as found in modern and/or classical literature:

1. Transactions of the Botanical Society by Botanical Society of Edinburgh (1850)
"When the epiphragm is quite liberated, either naturally or by art, the processes curve inwards upon its upper surface (see PI. I. fig. ..."

2. The Natural History of Some Common Animals by Oswald Hawkins Latter (1904)
"When the animal is about to form the epiphragm it retires within the shell and ... The pressure of the discharged air causes the still flexible epiphragm to ..."

3. Practical Botany for Beginners by Frederick Orpen Bower (1894)
"Note carefully a transverse band of tissue of pale, compressed cells at the base of the columella : this is the epiphragm mentioned on p. ..."

4. The Popular Science Monthly (1894)
"The same epiphragm is made, and the rest is taken for the same purpose—to avoid the vicissitudes of climate; only in this case it is to escape drought ..."

5. The Cambridge Natural History by Arthur Everett Shipley, Sidney Frederic Harmer (1895)
"Physa hypnorum frequents by preference ditches which dry up in summer, as does also Planorbis spirorbis, the latter often forming a sort of epiphragm ..."

6. Nature and Development of Plants by Carlton Clarence Curtis (1918)
"28, capsule with operculum removed, showing the teeth-like peristome and the epiphragm, which has been lifted up at one side. 3, section of nearly mature ..."

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