Elementary anatomy and physiology : for colleges, academies, and other schools elementaryanato00hitc Year: 1869 Left Temporal Bone. 1, Squamous portion. 2, Mastoid portion. 3, Petrous portion. 4, Zygo- matic portion. 5, Articulating surface for lower jaw. 6, Temporal ridge. 7, Glenoid fissure. 8, Mastoid foramen. 9, Canal for ear. 10, Groove for digastric muscle. It, Styloid process. 12, Va- ginal process. 13, Glenoid Foramen. 14, Groove for Eustachian tube. Fig. 47. win Left Parietal Bone. 1, 2, 3, 4, Superior, Infe- rior, Anterior, and Posterior surfaces. 5, Ridge for Temporal Fascia. 6
Elementary anatomy and physiology : for colleges, academies, and other schools elementaryanato00hitc Year: 1869 Left Temporal Bone. 1, Squamous portion. 2, Mastoid portion. 3, Petrous portion. 4, Zygo- matic portion. 5, Articulating surface for lower jaw. 6, Temporal ridge. 7, Glenoid fissure. 8, Mastoid foramen. 9, Canal for ear. 10, Groove for digastric muscle. It, Styloid process. 12, Va- ginal process. 13, Glenoid Foramen. 14, Groove for Eustachian tube. Fig. 47. win 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 to which is at- tached one of the ele- vator muscles of the jaw. The two Parie- tal Bones are eminently flat bones of a square shape, forming the es- sential parts of the pro- jections on the back sides of the head, and uniting with each other on the median line, up- on the top of the skull. They join with the frontal bone in front, the temporal bones below, and the occipital bone behind. The Occipital tline, and at its lower Whit is the mastoid process ? Where is the zygomatic process ? Give the form of the Parietals. What is the outline of the Occipital Bone ? What is the large orifice in its lower part for? Give the position and general outline of the Sphenoid Bone. With what bones docs this articulate?
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