A na-eji akpa nzacha mmiri mmiri wepụ ihe siri ike na nke gelatinous nwere akara miron n'etiti 1um na 200um. Ọkpụrụkpụ otu ahụ, porosity mepere emepe kwụsiri ike yana ike zuru oke na-eme ka mmetụta nzacha kwụsie ike yana ogologo oge ọrụ.