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periderm
(redirected from periderms)

    Also found in: Dictionary/thesaurus, Encyclopedia 0.02 sec.
periderm /peri·derm/ (per´ĭ-derm)
1. the outer layer of the bilaminar fetal epidermis, generally disappearing before birth.
2. the cuticle (eponychium and hyponychium), the only part of the periderm persisting after birth.periderm´al
per·i·derm (pr-dûrm) or per·i·der·ma (pr-dûrm)
n.
The outermost layer of the epidermis of an embryo or fetus up to the sixth month of gestation. Also called epitrichium.
periderm
[per′idurm]
the outermost layer of flattened epidermis on an embryo or fetus during the first 6 months of gestation.
periderm
the outer layer of the bilaminar fetal epidermis, generally disappearing before birth. Called also epitrichium.


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