Cracks - this is an incomplete violation of the integrity of the skin, mucous membranes, bones.
Skin cracks are often formed in areas exposed to constant friction, pressure, or pathologically altered areas. Frequent cracks on the palms and heels, in the interdigital spaces. Cracks are the place where fungus can develop.
With bone cracks, the connection between the parts of the bone substance is maintained and, unlike fractures (see), there is no complete divergence of the surfaces adjacent to the fracture line.
Nipple cracks - see. Breast, Anus Cracks - see. Anus .