periderm /peri·derm/ (per´ĭ-derm)
periderm
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 (p r  -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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