頭ず蓋がい学がくMeanings1nouncraniologymedicineMedical term for the scientific study of the skull, including its shape, size, and variations.頭ず蓋がい学がくは、頭ず蓋がい骨こつの形態かたちや進しん化かを研けん究きゅうする学がく問もんです。Craniology is the study of the form and evolution of the skull.