Name _______________________ IB SEHS Date ______ Lab Anatomy: The Skeletal System Reference website: www.anatomyexpert.com Types of Bones. Bones are classified according to their shape. Each shape is associated with certain functions. Identify the types of bones below (flat, long, short, irregular). ___________ ___________ ____________ _____________ Define each type of bone? Give examples of each. Reference website http://www.teachpe.com/anatomy/types_of_bones.php Long ______________________________________________________________ Short ______________________________________________________________ Irregular ___________________________________________________________ Flat _______________________________________________________________ Gross anatomy of a long bone. Label the figure below with the terms in the box. Diaphysis Epiphysis Medullary (marrow) cavity Articular cartilage Compact bone Yellow bone marrow Periosteum Spongy (Cancellous) bone Epiphyseal plate Nutrient artery What is the difference between red and yellow bone marrow? Define the following terms: Diaphysis ____________________________________________________________ Epiphysis _____________________________________________________________ Compact bone _________________________________________________________ Spongy bone __________________________________________________________ Medullary Cavity ________________________________________________________ Epiphyseal plate ________________________________________________________ Articular cartilage _______________________________________________________ Periosteum ____________________________________________________________ Nutrient Artery _________________________________________________________ Axial Skeleton The axial skeleton is divided into five parts: skull, hyoid bone, ossicles, vertebral column, and the thoracic cage Identify the following structures of the vertebral column in the figure to the right. cervical vertebrae thoracic vertebrae lumbar vertebrae sacrum coccyx atlas (C1) axis (C2) Label the bones of the thoracic cage. true ribs (1-7) false ribs (8-12) floating ribs (11-12) sternum xiphoid process manubrium clavicle (appendicular skeleton) scapula (appendicular skeleton) Which type of vertebra has a larger body? Why? What goes through the transverse foramen in a cervical vertebra? What goes through the vertebral foramen? There are two cervical vertebrae that are different form the rest. Which ones are they? How are they different and why? What is the purpose of the vertebral column? The Thoracic Cage. What is the purpose of the thoracic cage? What distinguishes true ribs from false ribs? Archeologists are able to identify skeletal remains by looking at certain features of the pelvic girdle. Examine the figure below and answer the questions. What explains the differences between the male and female pelvis? Why is this important? How are the design of the pelvis and fontanels related to one another? Web resource http://www.innerbody.com/image/skelfov.html Appendicular Skeleton. The pectoral girdle and the upper limb. Label the figure to the right with the terms in the box. pectoral girdle (circle it in the figure) clavicle scapula humerus radius ulna carpal bones metacarpal bones (I to V) phalanges (proximal, middle, and distal) Label the figures below with the terms in the box. The pelvic girdle and lower limb. pelvic girdle (circle it in the figure) os coxae (ilium, ischium, and pubis) femur tibia fibula patella tarsal bones metatarsal bones (I to V) phalanges (proximal, middle, and distal