3144902
Descripción
Fichas por Jonathan Cash, actualizado hace más de 1 año
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Creado por Jonathan Cash
hace más de 9 años
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| Pregunta | Respuesta |
| Functions of the Skeletal System. | · Support of the body · Protection of soft organs · Movement due to attached skeletal muscles · Storage of minerals and fats · Blood cell formation |
| Four main bones | Long Bone Short Bone Flat Bone Irregular Bone |
| Label this long bone | |
| Diaphysis | shaft, compact bone |
| Periosteum | a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints |
| Epiphysis | end consisting of thin compact bone enclosing spongy bone |
| Articular cartilage | covers the epiphysis, is hyaline cartilage, prvides smooth slippery surface |
| Epiphyseal line in adults | separating the epiphysis from the diaphysis |
| Medullary cavity, or yellow marrow | stores adipose tissue in adults, is red marrow in infants. Red Marrow is in spongy cavities of flat bones and epiphyses of some long bones in adults |
| Osteoblasts | Addition of calcium Bone growth/remodelling |
| Osteoclasts | Removing of calcium Bone growth/remodelling |
| Bone salts and Organic matrix | Bone salts and Organic matrix |
| Osteocytes | Bone Cells Osteo = Bone Cytes = Cells |
| Lacunae | cavities in the matrix were osteocytes are found |
| Haversian | central) canals are the centers of the lamellae; they carry blood vessels and nerves |
| Calcium salts | in the matrix provide the hardness |
| collagen fibers | provide flexibility and great tensile strength |
| Fibrous Joints Tissue? Cavity? Movement? | Bones united by fibrous tissue no joint cavity Mostly immovable |
| Cartilaginous Joint Tissue? Cavity? Movement? | Connected by Cartilage No joint cavity Slightly movable |
| Synovial Joint Tissue? Cavity? Movement? | Articular cartilage separates, joint cavity Synovial fluids is in cavity Fluid lubricates the joint Very movable |
| What are the features of a Synovial Joint | Articular Cartilage (hyaline cartilage) covers the ends of the bone Joint surfaces are enclosed by a fibrous articular capsule Have a joint cavity filled with synovial fluid Ligaments reinforce the joint |
| List the 6 body movements | Flexion Extension Rotation Abduction Adduction Circumduction |
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