Chapter 21 - The skeletal system. After studying this chapter you will be able to: Describe the parts of a long bone, list the substances that make up bone tissue, list the functions of bones, identify bones by their classifications, describe how long bones grow, list and describe the skeletal structures and one location of each structure, | 21 The Skeletal System 21- Learning Outcomes Describe the parts of a long bone. List the substances that make up bone tissue. List the functions of bones. Identify bones by their classifications. Describe how long bones grow. 21- Learning Outcomes (cont.) List and describe the skeletal structures and one location of each structure. List the bones of the skull, spinal column, rib cage, shoulders, arms, hands, hips, legs, and feet. Describe the location of each bone. Define fontanels and explain their importance. 21- Learning Outcomes (cont.) Describe the three major types of joints and give examples of each. Describe the structure of a synovial joint. Describe the causes, signs and symptoms, and treatments of various diseases and disorders of the skeletal system. 21- Introduction Bones provide the body with structure and support 206 bones with joints and connective tissue Divisions Axial – 80 bones . | 21 The Skeletal System 21- Learning Outcomes Describe the parts of a long bone. List the substances that make up bone tissue. List the functions of bones. Identify bones by their classifications. Describe how long bones grow. 21- Learning Outcomes (cont.) List and describe the skeletal structures and one location of each structure. List the bones of the skull, spinal column, rib cage, shoulders, arms, hands, hips, legs, and feet. Describe the location of each bone. Define fontanels and explain their importance. 21- Learning Outcomes (cont.) Describe the three major types of joints and give examples of each. Describe the structure of a synovial joint. Describe the causes, signs and symptoms, and treatments of various diseases and disorders of the skeletal system. 21- Introduction Bones provide the body with structure and support 206 bones with joints and connective tissue Divisions Axial – 80 bones Skull Vertebral column Rib cage Appendicular – 126 bones Arms and legs Pectoral girdle Pelvic girdle 21- The Skeletal System 21- Bone Structure Bones contain various kinds of tissues, including Osseous tissue Blood vessels Nerves Osseous tissue can appear compact or spongy Compact Bone Spongy Bone 21- Bone Structure (cont.) Compact bone looks solid Structures can be observed with a microscope All bones are made up of both compact and spongy bone 21- Bone Structure (cont.) 21- Bone Structure (cont.) Flat bones – located in the skull and rib cage Ribs Frontal bone Irregular bones Vertebrae Bones of the pelvic girdle 21- Gender Differences Male Skull Larger and heavier Forehead shorter Face less round Jaw larger Mastoid processes more prominent Male pelvic bones Heavier and thicker Obturator foramina and acetabula are larger and closer together 21- Gender Differences (cont.) Male pelvic cavity Narrower and longer Less roomy and more funnel shaped Male sacrum
