epiphragmal

epiphragm

[ep-uh-fram]
noun
1.
a calcified or membranous septum produced by certain land snails during hibernation and functioning to cover the shell opening and prevent desiccation.
2.
Botany. a membrane enclosing the capsule in certain mosses.

Origin:
1820–30; < Greek epíphragma covering, lid, equivalent to epi- epi- + phrágma fence

epiphragmal [ep-uh-frag-muhl] , adjective
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World English Dictionary
epiphragm (ˈɛpɪˌfræm)
 
n
a disc of calcium phosphate and mucilage secreted by snails over the aperture of their shells before hibernation
 
[C19: via New Latin from Greek epiphragma a lid, from epiphrassein, from epi- + phrassein to place in an enclosure]

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