lamellar exfoliation [L, lamella + ex, without, folium, leaf] , a congenital skin disorder transmitted as an autosomal-recessive trait in which a parchmentlike scaly membrane that covers the infant peels off within 24 hours of birth. Complete healing or a progressively less severe process of reforming and shedding of the scales then occurs. Also called ichthyosis congenita, ichthyosis fetalis, lamellar desquamation of the newborn, lamellar ichthyosis of the newborn. See also collodion baby.
