Identifier: academicphysio00bran (find matches)
Title: An academic physiology and hygiene ..
Year: 1903 (1900s)
Authors: Brands, Orestes M. (from old catalog) Van Gieson, Henry C., (from old catalog) joint author
Subjects: Hygiene Physiology
Publisher: Boston, B. H. Sanborn & co
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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f the eyes ; the two temporal bones formpart of the sides and base of the skull, and contain thecavities of the organ of hearing ; the sphenoid bone, re-sembling a bat with outstretched wings, forms the centralportion of the base of the skull ; the ethmoid bone, locatedin the front part of the base of the skull, forms part of thecavities of the nose and the inner boundaries of the orbitsof the eyes. In addition to these are the four small bonesof the middle cavity of the ear. 6. The inner surface of these bones is marked withnumerous elevations and depressions which correspondwith similar inequalities on the surface of the brain. 7. The bones of the face comprise two bones of the bridgeof the nose, two lachrymal bones at the inner angles ofthe orbits of the eyes, two cheek-bones, two bones of the i8 ACADEMIC PHYSIOLOGY. upper jaw, one of the lower jaw, two of the palate, twoturbinated or scroll-like bones in the cavity of the nose,and the vomer, or plough-share, the thin sheet of bone
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EXPLANATIONS. a, a, the coronal suture. b, the sagittal suture. c, the lambdoidal suture. a7, d, ossa triquetral small ragged bones,occasionally found in some skulls, lying in thelast-mentioned suture. portions of the temporal bone, over-lapping the walls. i, the frontal bone, 2, 2, the parietal bone. 3, the occipital bone. Fig. 3. which separates the cavities of the nose. These bonesunite with the bones of the skull, and form the cavities inwhich the organs of sight, hearing, taste, and smell areplaced. 8. The Teeth. — Although the teeth are not commonlyclassed as bones, they apparently belong to the osseoussystem. They differ greatly in size and form. Those inthe front of each jaw have sharp chisel-like edges, arethus well adapted to biting or cutting, and are called in-cisors (Lat. incido, I cut). Next to these in each jaw andon each side is a single pointed tooth, called the canine(Lat. canisy dog) because its form and position in thehuman jaw correspond with the si

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