epiphragm
/ˈɛpɪfɹæm/
noun 2
Definitions
noun
1
A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation.
2
The dilated apex of the columella in urn mosses.
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noun
A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation.
The dilated apex of the columella in urn mosses.