Laboratory Assignment Skeletal System Overview

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Name: _________________________________________________ Date: __________________________________________________ Laboratory Assignment Skeletal System Overview 1. Match the bone cell with the proper function: a. osteoprogenitor cell b. osteocyte c. osteoblast d. osteoclast ___________ cell formed from the fusion of several stem cells. These cells are involved in the dissolving of bone, helping with the reshaping of the bone when necessary. __________ cell that is considered to be mature; completely surrounded by bony matrix that it helps to maintain. _________ cell that deposits bony matrix, helping to form and repair bone as needed. _________ stem cell that can transform into bones that deposit bone matrix. 2. Identify the following cells seen in this slide of spongy bone: osteoblast, osteoclast, osteocyte 3. the following structures seen in this slide of compact bone (ground): osteon, central canal, concentric lamella, lacuna 5. After viewing both bone types using your microscope and slides, what are the primary structural differences between compact and spongy bone? 6. Identify the following structures that are marked by leader lines in the following illustration of a long bone: canaliculus, central canal, circumferential lamellae, compact bone, lacuna, lamella, nerve, osteocyte, osteon, perforating canal, periosteum, spongy bone. 7. Label the following structures that are marked by leader lines in the following illustration of a long bone: medullary (marrow) cavity, diaphysis, epiphyseal line, endosteum, proximal epiphysis, distal epiphysis, periosteum, blood vessel, compact bone, spongy bone, articular cartilage. (Terms may be used more than once) 8. Match the following bone markings/bony structure with the correct definition: a. crest e. fossa b. process f. fissure c. head g. sulcus d. foramen h.canal _______ a bony slit. _______ a rounded end or extension. _______ a narrow ridge. _______ a bony prominence. _______ a hole through a bone. _______ a shallow, broad depression. _______ a bony tube or passageway. _______ a groove for a blood vessel, nerve or tendon. 9. Identify the following bone markings/bony structures that are marked by leader lines in the following illustration: 10. What do condyles, facets and heads have in common? 11. What are the primary differences between endochondral ossification and intramembranous ossification? 12. Identify the following bones and associated structures of the skeletal system that are marked by leader lines in the following illustration: carpal bones, clavicle, ribs, coccyx, costal cartilages, femur, fibula, humerus, metatarsal bones, patella, pelvic girdle, sternum phalanges, radius, sacrum, scapula, skull, tarsal bones, tibia, ulna, vertebral column. (Terms may be used more than once) upper extremity 13. List the bones you identified above that are part of the axial skeleton. 14. List the bones you identified in the illustration above that are part of the appendicular skeleton..

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