Scalp wound reaching the bone (milta, samhaq) in blood money

Milta is the lexical name for the samhaq, the thin layer over the skull between flesh and bone; in law most jurists take it to be the samhaq, or a wound through the flesh that comes close to the bone. The Malikis separate them: milta removes the flesh and nears the bone without touching it. ¹

For the Malikis the samhaq is the stripping of the skin from the flesh; so milta concerns the flesh and samhaq the skin. For most jurists the two are synonyms. ²

Most jurists hold that the milta carries no fixed blood money or fixed compensation, only a just assessment, whether it was intentional or not. The Malikis, a report from Muhammad, and a view among the Shafi'is hold that an intentional one requires retaliation, since its extent can be controlled. ²