Copyright 2015 Wolters Kluwer All Rights Reserved Bones of the Axial Skeleton

Copyright 2015 wolters kluwer all rights reserved

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Copyright © 2015 Wolters Kluwer • All Rights ReservedBones of the Axial SkeletonLearning Objectives 7.Name, locate, and describe the bones in the axial skeleton. 8.Describe the normal curves of the spine, and explain their purpose.
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Chamber enclosing the brain; houses the ear and forms part of the eye socket Facial bones Facial bones (14) Form the face and chambers for sensory organs Mandible Maxillae (2) Zygomatic (2) Nasal bones (2) Lacrimal (2) Vomer Palatine (2) Inferior nasal conchae (2) Lower jaw Upper jaw (fused) Prominence of cheek Bridge of nose Anterior medial wall of each orbital cavity Inferior part of nasal septum Posterior part of hard palate Side of nasal cavities Ossicles Ear bones (3) Transmit sound waves through the middle ear Trunk Vertebral column Vertebrae (26) Enclose the spinal cord Thorax Sternum Anterior bone of the thorax Ribs (12 pairs) Enclose the organs of the thorax
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Bones of the Skeleton (cont.) Region Bones Description Appendicular Skeleton Upper Division Shoulder girdle Clavicle Anterior; between sternum and scapula Scapula Posterior; anchors muscles that move arm Upper extremity Humerus Arm bone Ulna Medial bone of forearm Radius Lateral bone of forearm Carpals (8) Wrist bones Metacarpals (5) Bones of palm Phalanges (14) Bones of fingers Lower Division Pelvis Os coxae (2) Join sacrum and coccyx of vertebral column to form the bony pelvis Lower extremity Femur Thigh bone Patella Knee cap Tibia Medial bone of leg Fibula Lateral bone of leg Tarsal bones (7) Ankle bones Metatarsals (5) Bones of instep Phalanges (14) Bones of toes
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Bones of the Axial Skeleton (cont.) Framework of the Skull Other bones Ear ossicles Hyoid bone Sutures Coronal suture Squamous sutures Lambdoid suture
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Figure 7-5 The skull. What type of joint is between the bones of the skull? What two bones make up each side of the hard palate? What is a foramen? Bones of the Axial Skeleton (cont.)
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Figure 7-6 Infant skull, showing fontanels. Which is the largest fontanel? Bones of the Axial Skeleton (cont.)
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Bones of the Axial Skeleton (cont.) Framework of the Trunk Vertebral column Cervical vertebrae Thoracic vertebrae Lumbar vertebrae Sacral vertebrae (sacrum) Coccygeal vertebrae (coccyx)
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Copyright © 2015 Wolters Kluwer • All Rights Reserved Figure 7-7 The vertebral column and vertebrae.
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