「The dorsal border (margo dorsalis; posterior border) begins above at the back of the neck, and ends below at the posterior part of the base of the styloid process; it separates the posterior from the lateral surface. is indistinct above and below, but well-marked in the middle third of the bone.」
・Human Anatomy Video: The Radius（4:10過ぎから縁や面が確認できる映像が流れる。）
