scalpal

As a noun scalpel

is a small straight knife with a very sharp blade used for surgery, dissection and craftwork.

As an adjective scalpal is

of or pertaining to the scalp.

As a noun scalp

is the top of the head; the skull.

As a verb scalp

is to remove the scalp (part of the head from where the hair grows), by brutal act or accident.

As an adjective scalpal is

of or pertaining to the scalp.