The Skeletal System
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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
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The Skeletal System. The Fetal Skull. The fetal skull is large compared to the infant’s total body length Fontanels—fibrous membranes connecting the cranial bones Allow the brain to grow Convert to bone within 24 months after birth. The Fetal Skull. Figure 5.13a. The Fetal Skull. - PowerPoint PPT Presentation
Transcript of The Skeletal System
PowerPoint® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
PART C5
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
Fontanels—fibrous membranes connecting the cranial bones
Allow the brain to grow
Convert to bone within 24 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 24 single vertebral bones separated by intervertebral discs
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
Primary curvatures are the spinal curvatures of the thoracic and sacral regions
Secondary curvatures are the spinal curvatures of the cervical and lumbar regions
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
Sacrum
Coccyx
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
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
The Bony Thorax
Figure 5.20a
