https://i2.wp.com/c8.alamy.com/comp/MA77F0/elementary-anatomy-and-physiology-for-colleges-academies-and-other-schools-left-parietal-bone-1-2-3-4-superior-infe-rior-anterior-and-posterior-surfaces-5-ridge-for-temporal-fascia-6-parietal-foramen-7-and-8-inferior-angles-bone-lias-an-imperfectly-circular-ou-of-hearing-directly-behind-the-external-ear-is-felt-a-hard-projection-which-is-the-mastoid-process-of-this-bone-and-serves-for-the-attachment-of-many-muscles-which-move-the-head-and-directly-in-front-of-the-ear-is-another-prominent-pro-cess-called-the-zygo-matic-which-articulates-with-the-malar-bone-and-t-MA77F0.jpg