PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings PART C 5 The Skeletal System
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull The fetal skull is large compared to the infant’s total body length ____________—fibrous membranes connecting the cranial bones Allow the _______________ Convert to bone within _____ months after birth
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull Figure 5.13a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Fetal Skull Figure 5.13b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Each vertebrae is given a name according to its location There are ____ single vertebral bones separated by ____________ discs _________ _________ vertebrae are in the neck _________ __________ vertebrae are in the chest region ________ _________ vertebrae are associated with the lower back
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Nine vertebrae fuse to form two composite bones __________
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.14
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column The spine has a normal curvature ___________ curvatures are the spinal curvatures of the _________ and _______ regions Present from birth ___________ curvatures are the spinal curvatures of the ________ and ___________ regions Develop after birth
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.15
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Vertebral Column Figure 5.16
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings A Typical Vertebrae, Superior View Figure 5.17
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18c
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Regional Characteristics of Vertebrae Figure 5.18d
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Sacrum and Coccyx __________ Formed by the fusion of ________ vertebrae __________ Formed from the fusion of _______ to ______ vertebrae “Tailbone,” or remnant of a tail that other vertebrates have
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings Sacrum and Coccyx Figure 5.19
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Bony Thorax Forms a cage to protect major organs Consists of three parts ___________ Ribs _________ (pairs 1–7) _________ (pairs 8–12) ___________ (pairs 11–12) __________ vertebrae
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings The Bony Thorax Figure 5.20a