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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.
Lexicographical Neighbors of Epiphragm
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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