part_of part of part of has part has part has_part transformation of mucosa reproductive organ mesoderm-derived structure reproductive structure prepuce preputial uberon NCIT:C12323 A retractable double-layered fold of skin and mucous membrane that covers the glans penis or clitoris. Glands may also be present. UBERON:0011374 this is a generic sex-neutral grouping class for the male and female prepuce. Note that this structure is a combination of skin and other tissue external soft tissue zone preputial swelling