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6

Chapter 6 Matching

DefinitionTerm
Blood cell formation Hematopoiesis
Mature bone cells Osteocytes
Location of red bone marrow Spongy bone
Cartilage cells Chondrocytes
Bone-forming cells Osteoblasts
Shaft of a long bone Diaphysis
Hollow space in the shaft Medullary cavity
Expanded portion of the long bone at its ends Epiphysis
Fibrous connective tissue membrane that covers the outer surface of long bone Periosteum
Thin connective tissue membrane that lines the medullary cavity Endosteum
Process of bone formation Osteogenesis
Replacement of connective tissue membranes with bony tissue Intramembranous ossification
Replacement of hyaline cartilage with bony tissue Endochondral ossification
Growth region (in length) of the long bone Epiphyseal plate
Growth of bone in diameter Appositional growth
Narrow passageways that contain cytoplasmic extensions of osteocytes Canaliculi
Basic functional unit of compact bone Osteon
Tiny plates of bone material found in spongy bone Trabeculae
Concentric rings that surround the Haversian canal Lamellae
Perforating canals that carry interconnected blood vessels to the Haversian canal Volkmann canals
Structures contained in the central canal of an osteon Blood vessels
The substance contained in the medullary cavity of bones in an adult Yellow bone marrow
Substance contained in the spaces of the spongy bone Red bone marrow
The inorganic minerals contained in the intercellular matrix of bone Calcium and phosphorus (hydroxyapatite)
The hormone that functions to decrease the level of calcium in the blood Calcitonin
The hormone that raises the level of calcium ions in the blood Parathyroid hormone
The hormone that is used in hormone therapy to reduce osteoporosis Estrogen
Elevated levels of a hormone that could cause premature closure of the epiphyseal plates Testosterone
A hormone that is necessary for proper bone formation Thyroxine
A painful infection of the bone often caused by bacteria Osteomyelitis
A condition occurs with aging that causes a gradual reduction in bone mass Osteopenia
Hypersecretion of parathyroid hormone would produce changes in the bone similar to those associated with Osteomalacia
A condition causing bow legs in a child Rickets
A painful condition that occurs when the bones become weak and thin and tend to fracture easily Osteoporosis
A fracture in which the bone breaks cleanly and does not penetrate the skin Simple fracture
A fracture that has broken ends of the bone protrude through the soft tissues and the skin Compound fracture
A fracture in which the bone is crushed Compression fracture
A fracture in which broken bone ends are forced into each other Impacted fracture
A fracture in which bone fragments into many pieces Comminuted fracture
Long bone Femur of the leg
Short bone Carpals of wrist
Flat bone Sternum of breastbone
Irregular bone Vertebrae of spinal column and hip bones
Sesamoid bone Patella of knee
Most abundant skeletal cartilage Hyaline cartilage
Cartilage-forming cell Chrondroblast
Able to withstand large amounts of compression Fibrocartilage
Located in the external ear and epiglottis Elastic cartilage
Bone-building cell Osteoblast
Bone-destroying cell Osteoclast
Mature bone cell Osteocyte
Bone stem cell Osteoprogenitor cell
Primary ossification center Diaphysis
Secondary ossification center Epiphysis
Site of length increase in long bones Growth plate
Process of long bone development Endochondral ossification
Caused by tearing of blood vessels in and around fracture site Hematoma formation
Activity of fibroblasts and osteoblasts creates an overgrown splint around the fracture site Fibrocartilage callus
Trabeculae invade callus and begin to replace fibrous tissue Bony callus formation
Excess bony material is removed from the external and internal surfaces of the diaphysis Bone remodeling
Layers of bone. Lamellae
Cavities in bone where cells live Lacunae
Major organic fiber of bone Collagen
Major inorganic component of bone Calcium phosphate
Has length greater than width Long bone
Length and width equal Short bone
Bone with complex shape Irregular bone
Thin bone. Flat bone.
Ovoid bone found in tendon Sesamoid bone.
Created by: schell912