Chapter 8 notes

Chapter 8 notes - Chapter 8 Skeletal Structures Regions of...

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Chapter 8 Skeletal Structures Regions of the skeleton ________ skeleton forms the central axis skull, vertebral column, ribs, sternum and sacrum Number of bones _____ in typical adult skeleton start at 270 at birth, decreases with age as bones fuse Surface markings defined in Table 8.2 Axial skeleton Appendicular skeleton ___________ girdle upper extremity __________ girdle lower extremity Skull cavities Cranial cavity holds brain Ethmoid sinus Nasal cavity Maxillary sinus Oral cavity Skull 22 bones joined together by sutures Cranial bones surround cranial cavity Cranial and facial bones to be viewed Frontal, parietal, temporal, occipital, sphenoid, ethmoid, Maxillary Paranasal sinuses Palatine, zygomatic, lacrimal, nasal, inferior nasal conchae Vomer, mandible, hyoid
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Infant skull Spaces between unfused skull bones called ____________ filled with fibrous membrane fuse by 2 years of age 2 frontal bones fuse by age six metopic suture Skull reaches adult size by 8 or 9 causing heads of children to be larger in proportion to trunk Sutures Coronal Sagittal
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This note was uploaded on 09/25/2011 for the course BSC 1085 taught by Professor Staff during the Fall '09 term at Broward College.

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Chapter 8 notes - Chapter 8 Skeletal Structures Regions of...

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