White sponge nevus (WSN) is a rare autosomal dominant disorder with variable penetrance (1). It was first described by Hyde in 1909 (2); in 1935 Cannon named it white sponge nevus (3). Several other names have been applied to this condition: HydeCannon’s disease, familial white folded dysplasia, congenital leukokeratosis mucose oris, hereditary leukokeratosis, and white folded gingivostomatosis...

The sponge Tethya leysae sp. nov. (Porifera, Demospongiae, Hadromerida, Tethyidae) is a new species from the Canadian Northeast Pacific. Its type locality is the infralittoral around Ohiat Islet, Barkely Sound, Vancouver Island in Canada. Tethya leysae sp. nov. is a medium-sized spherical sponge with a verrucose surface, orange-yellow to light red alive and white with a greyish core in ethanol....

PVA foam has been used as a temporary skin substitute since 1977. PVA is a white, monolayered, microporous sponge. In animal experiments it was shown that cell detritus, fibrin-fur and microorganisms were taken in and kept inside the material. This effectively cleans the wound surface, the so-called “microdebridement” process. The effect is due to a strong adherence and a high capacity to absor...

Homogenized pastes were prepared by adding top-bond white glue as binder to natural fibrous material prepared out of different proportions of bamboo (Ozizentera arbonica), coconut husk (Cocus nucifera), sponge (Acanthus montanus) and wood (cordial). Test samples were prepared from dried cast samples for creep and hardness tests. The results of the analysis were used to determine the material th...

LUFFACHITIN obtained from the residue of the sponge-like dried fruit of Luffa aegyptiaca was developed as a weavable skin substitute in this study. A chemical analysis revealed that LUFFACHITIN was composed of a copolymer containing N-acetyl-glucosamine (~40%) as a major monomer with a filamentary structure as demonstrated by both optical and scanning electron microscopy. The pulp-like white re...