Definition that contains body surface
- sinus an abnormal passage leading from a suppurating cavity to the body surface
- epidermis the outer layer of the skin covering the exterior body surface of vertebrates
- cuticle the outer layer of the skin covering the exterior body surface of vertebrates
- fistula an abnormal passage leading from a suppurating cavity to the body surface
- mucin a nitrogenous substance found in mucous secretions; a lubricant that protects body surfaces