PPT-Axial Skeleton: the Vertebral Column and Rib cage

Vertebral Column 26 bones Vertebrae 24 Sacrum Coccyx tailbone Functions support head neck amp trunk protect spinal cord maintain upright body position Vertebral Column. POSTCRANIAL SKELETON - . I. AXIAL SKELETON. S. S. Sumida.  . INTRODUCTION.  . The axial skeleton is generally considered one of the hallmark features of vertebrates; it is after all, the namesake of the group. However, the idea that the group was defined by having vertebrae or a vertebral column turns out to be an oversimplification.. Encloses spinal cord, (dorsal aorta). Site of muscle attachment. Suspends body - . tetrapods. . . Somites. Somites. . – metameric blocks . of . mesoderm that . form early in development. Somites in green. Chapter 8. Introduction. The notochord and vertebral column define the long axis of the body, offer sites for muscle attachment, prevent telescoping, and support body weight.. The notochord is a long, continuous rod of fibrous connective tissue wrapping a fluid filled core.. Part A: The Axial Skeleton. Section 1 – Axial Skeleton Overview (pp. 198-200). Consists of . 80. bones. Divided into 3 main parts. :. 1) . Skull. 2) . Vertebral column. 3) . Bony Thorax. Functions of Axial Skeleton. Important figures & quiz knowledge. All figures (except 10.9) and tables are important to know & understand. Review sheet ex. problems are important to next week’s quiz. Probably will use a diagram from the review sheet ex. problems (either Ex. 9 or 10) on the quiz. . Objectives. Describe the . regions . and . curvatures . of the . vertebral . column . and the number of . vertebrae . in each. . region.. Describe the basic . components . of . a . typical . vertebrae . Ali . Jassim. . Alhashli. 20121098. Year IV – Problem VII – Musculoskeletal. Vertebral Column . Extending from cranium to the apex of coccyx.. Functions:. Protects the spinal cord and spinal nerves.. composed of 26 bones of the 80 total that make up the Axial Skeleton. Vertebral Column. Aka .  Spine or backbone. Formed from 26 irregular bones. Connected in a way that the flexible curved structure is formed. 5 sacral. (fused to form the sacrum). 7 cervical. 12 thoracic. 5 lumbar. 4 . coccygeal. . (the lower 3 are commonly fused). A typical vertebra consists of. :. . 1-a rounded body anteriorly . 2-a vertebral arch posteriorly. . Written By: . Batool. . Ajaleen. , Mariam . Ababneh. . & . Marwa. . Abozoor. Edited By: . B. uthaina. . A. lmasaeed. & . Bushra. . Slaeem. #2. Sphenoid Bone. 2/17/2010. 2. Axial Skeleton. Used to protect fragile tissue that is held underneath. Vertebrae, ribs, skull sternum. Appendicular Skeleton. These bones allow for movement. Bones of the limbs. Variations of Bones . skeleton. , composed of bones, cartilages, joints, and ligaments, accounts for about 20% of body mass..  . There are . 206. bones in the . human body. .. . Introduction -The Basics. The . axial skeleton. EXERCISE  Intact skull and Beauchene skull X-ray images of individuals with scoliosis, lordosis, and kyphosis (if available) Articulated skeleton, articulated vertebral column, removable intervert Skull, Vertebral Column, Hyoid Bone & Thoracic Cage. Functions. T. he Skeleton:. Supports. . – rigid framework to support soft tissue that weighs 5x the amount of the skeleton. Protects. . - Organs are protected by ribs cage & pelvis & marrow is protected; red .