{"id":1858,"date":"2014-10-24T05:01:29","date_gmt":"2014-10-24T05:01:29","guid":{"rendered":"https:\/\/courses.candelalearning.com\/apvccs\/?post_type=chapter&p=1858"},"modified":"2017-03-10T23:51:34","modified_gmt":"2017-03-10T23:51:34","slug":"glossary-bone-tissue","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/trident-ap1\/chapter\/glossary-bone-tissue\/","title":{"raw":"Glossary: Bone Tissue","rendered":"Glossary: Bone Tissue"},"content":{"raw":"articular cartilage:<\/strong> thin layer of cartilage covering an epiphysis; reduces friction and acts as a shock absorber\r\n\r\narticulation:<\/strong> where two bone surfaces meet\r\n\r\nbone:<\/strong> hard, dense connective tissue that forms the structural elements of the skeleton\r\n\r\ncanaliculi:<\/strong> (singular = canaliculus) channels within the bone matrix that house one of an osteocyte\u2019s many cytoplasmic extensions that it uses to communicate and receive nutrients\r\n\r\ncartilage:<\/strong> semi-rigid connective tissue found on the skeleton in areas where flexibility and smooth surfaces support movement\r\n\r\ncentral canal:<\/strong> longitudinal channel in the center of each osteon; contains blood vessels, nerves, and lymphatic vessels; also known as the Haversian canal\r\n\r\nclosed reduction:<\/strong> manual manipulation of a broken bone to set it into its natural position without surgery\r\n\r\ncompact bone:<\/strong> dense osseous tissue that can withstand compressive forces\r\n\r\ndiaphysis:<\/strong> tubular shaft that runs between the proximal and distal ends of a long bone\r\n\r\ndiplo\u00eb:<\/strong> layer of spongy bone, that is sandwiched between two the layers of compact bone found in flat bones\r\n\r\nendochondral ossification:<\/strong> process in which bone forms by replacing hyaline cartilage\r\n\r\nendosteum:<\/strong> delicate membranous lining of a bone\u2019s medullary cavity\r\n\r\nepiphyseal line:<\/strong> completely ossified remnant of the epiphyseal plate\r\n\r\nepiphyseal plate:<\/strong> (also, growth plate) sheet of hyaline cartilage in the metaphysis of an immature bone; replaced by bone tissue as the organ grows in length\r\n\r\nepiphysis:<\/strong> wide section at each end of a long bone; filled with spongy bone and red marrow\r\n\r\nexternal callus:<\/strong> collar of hyaline cartilage and bone that forms around the outside of a fracture\r\n\r\nflat bone:<\/strong> thin and curved bone; serves as a point of attachment for muscles and protects internal organs\r\n\r\nfracture hematoma:<\/strong> blood clot that forms at the site of a broken bone\r\n\r\nfracture:<\/strong> broken bone\r\n\r\nhematopoiesis:<\/strong> production of blood cells, which occurs in the red marrow of the bones\r\n\r\nhole:<\/strong> opening or depression in a bone\r\n\r\nhypercalcemia:<\/strong> condition characterized by abnormally high levels of calcium\r\n\r\nhypocalcemia:<\/strong> condition characterized by abnormally low levels of calcium\r\n\r\ninternal callus:<\/strong> fibrocartilaginous matrix, in the endosteal region, between the two ends of a broken bone\r\n\r\nintramembranous ossification:<\/strong> process by which bone forms directly from mesenchymal tissue\r\n\r\nirregular bone:<\/strong> bone of complex shape; protects internal organs from compressive forces\r\n\r\nlacunae:<\/strong> (singular = lacuna) spaces in a bone that house an osteocyte\r\n\r\nlong bone:<\/strong> cylinder-shaped bone that is longer than it is wide; functions as a lever\r\n\r\nmedullary cavity:<\/strong> hollow region of the diaphysis; filled with yellow marrow\r\n\r\nmodeling:<\/strong> process, during bone growth, by which bone is resorbed on one surface of a bone and deposited on another\r\n\r\nnutrient foramen:<\/strong> small opening in the middle of the external surface of the diaphysis, through which an artery enters the bone to provide nourishment\r\n\r\nopen reduction:<\/strong> surgical exposure of a bone to reset a fracture\r\n\r\northopedist:<\/strong> doctor who specializes in diagnosing and treating musculoskeletal disorders and injuries\r\n\r\nosseous tissue:<\/strong> bone tissue; a hard, dense connective tissue that forms the structural elements of the skeleton\r\n\r\nossification center:<\/strong> cluster of osteoblasts found in the early stages of intramembranous ossification\r\n\r\nossification:<\/strong> (also, osteogenesis) bone formation\r\n\r\nosteoblast:<\/strong> cell responsible for forming new bone\r\n\r\nosteoclast:<\/strong> cell responsible for resorbing bone\r\n\r\nosteocyte:<\/strong> primary cell in mature bone; responsible for maintaining the matrix\r\n\r\nosteogenic cell:<\/strong> undifferentiated cell with high mitotic activity; the only bone cells that divide; they differentiate and develop into osteoblasts\r\n\r\nosteoid:<\/strong> uncalcified bone matrix secreted by osteoblasts\r\n\r\nosteon:<\/strong> (also, Haversian system) basic structural unit of compact bone; made of concentric layers of calcified matrix\r\n\r\nosteoporosis:<\/strong> disease characterized by a decrease in bone mass; occurs when the rate of bone resorption exceeds the rate of bone formation, a common occurrence as the body ages\r\n\r\nperforating canal:<\/strong> (also, Volkmann\u2019s canal) channel that branches off from the central canal and houses vessels and nerves that extend to the periosteum and endosteum\r\n\r\nperichondrium:<\/strong> membrane that covers cartilage\r\n\r\nperiosteum:<\/strong> fibrous membrane covering the outer surface of bone and continuous with ligaments\r\n\r\nprimary ossification center:<\/strong> region, deep in the periosteal collar, where bone development starts during endochondral ossification\r\n\r\nprojection:<\/strong> bone markings where part of the surface sticks out above the rest of the surface, where tendons and ligaments attach\r\n\r\nproliferative zone:<\/strong> region of the epiphyseal plate that makes new chondrocytes to replace those that die at the diaphyseal end of the plate and contributes to longitudinal growth of the epiphyseal plate\r\n\r\nred marrow:<\/strong> connective tissue in the interior cavity of a bone where hematopoiesis takes place\r\n\r\nremodeling:<\/strong> process by which osteoclasts resorb old or damaged bone at the same time as and on the same surface where osteoblasts form new bone to replace that which is resorbed\r\n\r\nreserve zone:<\/strong> region of the epiphyseal plate that anchors the plate to the osseous tissue of the epiphysis\r\n\r\nsecondary ossification center:<\/strong> region of bone development in the epiphyses\r\n\r\nsesamoid bone:<\/strong> small, round bone embedded in a tendon; protects the tendon from compressive forces\r\n\r\nshort bone:<\/strong> cube-shaped bone that is approximately equal in length, width, and thickness; provides limited motion\r\n\r\nskeletal system:<\/strong> organ system composed of bones and cartilage that provides for movement, support, and protection\r\n\r\nspongy bone:<\/strong> (also, cancellous bone) trabeculated osseous tissue that supports shifts in weight distribution\r\n\r\ntrabeculae:<\/strong> (singular = trabecula) spikes or sections of the lattice-like matrix in spongy bone\r\n\r\nyellow marrow:<\/strong> connective tissue in the interior cavity of a bone where fat is stored\r\n\r\nzone of calcified matrix:<\/strong> region of the epiphyseal plate closest to the diaphyseal end; functions to connect the epiphyseal plate to the diaphysis\r\n\r\nzone of maturation and hypertrophy:<\/strong> region of the epiphyseal plate where chondrocytes from the proliferative zone grow and mature and contribute to the longitudinal growth of the epiphyseal plate","rendered":"

articular cartilage:<\/strong> thin layer of cartilage covering an epiphysis; reduces friction and acts as a shock absorber<\/p>\n

articulation:<\/strong> where two bone surfaces meet<\/p>\n

bone:<\/strong> hard, dense connective tissue that forms the structural elements of the skeleton<\/p>\n

canaliculi:<\/strong> (singular = canaliculus) channels within the bone matrix that house one of an osteocyte\u2019s many cytoplasmic extensions that it uses to communicate and receive nutrients<\/p>\n

cartilage:<\/strong> semi-rigid connective tissue found on the skeleton in areas where flexibility and smooth surfaces support movement<\/p>\n

central canal:<\/strong> longitudinal channel in the center of each osteon; contains blood vessels, nerves, and lymphatic vessels; also known as the Haversian canal<\/p>\n

closed reduction:<\/strong> manual manipulation of a broken bone to set it into its natural position without surgery<\/p>\n

compact bone:<\/strong> dense osseous tissue that can withstand compressive forces<\/p>\n

diaphysis:<\/strong> tubular shaft that runs between the proximal and distal ends of a long bone<\/p>\n

diplo\u00eb:<\/strong> layer of spongy bone, that is sandwiched between two the layers of compact bone found in flat bones<\/p>\n

endochondral ossification:<\/strong> process in which bone forms by replacing hyaline cartilage<\/p>\n

endosteum:<\/strong> delicate membranous lining of a bone\u2019s medullary cavity<\/p>\n

epiphyseal line:<\/strong> completely ossified remnant of the epiphyseal plate<\/p>\n

epiphyseal plate:<\/strong> (also, growth plate) sheet of hyaline cartilage in the metaphysis of an immature bone; replaced by bone tissue as the organ grows in length<\/p>\n

epiphysis:<\/strong> wide section at each end of a long bone; filled with spongy bone and red marrow<\/p>\n

external callus:<\/strong> collar of hyaline cartilage and bone that forms around the outside of a fracture<\/p>\n

flat bone:<\/strong> thin and curved bone; serves as a point of attachment for muscles and protects internal organs<\/p>\n

fracture hematoma:<\/strong> blood clot that forms at the site of a broken bone<\/p>\n

fracture:<\/strong> broken bone<\/p>\n

hematopoiesis:<\/strong> production of blood cells, which occurs in the red marrow of the bones<\/p>\n

hole:<\/strong> opening or depression in a bone<\/p>\n

hypercalcemia:<\/strong> condition characterized by abnormally high levels of calcium<\/p>\n

hypocalcemia:<\/strong> condition characterized by abnormally low levels of calcium<\/p>\n

internal callus:<\/strong> fibrocartilaginous matrix, in the endosteal region, between the two ends of a broken bone<\/p>\n

intramembranous ossification:<\/strong> process by which bone forms directly from mesenchymal tissue<\/p>\n

irregular bone:<\/strong> bone of complex shape; protects internal organs from compressive forces<\/p>\n

lacunae:<\/strong> (singular = lacuna) spaces in a bone that house an osteocyte<\/p>\n

long bone:<\/strong> cylinder-shaped bone that is longer than it is wide; functions as a lever<\/p>\n

medullary cavity:<\/strong> hollow region of the diaphysis; filled with yellow marrow<\/p>\n

modeling:<\/strong> process, during bone growth, by which bone is resorbed on one surface of a bone and deposited on another<\/p>\n

nutrient foramen:<\/strong> small opening in the middle of the external surface of the diaphysis, through which an artery enters the bone to provide nourishment<\/p>\n

open reduction:<\/strong> surgical exposure of a bone to reset a fracture<\/p>\n

orthopedist:<\/strong> doctor who specializes in diagnosing and treating musculoskeletal disorders and injuries<\/p>\n

osseous tissue:<\/strong> bone tissue; a hard, dense connective tissue that forms the structural elements of the skeleton<\/p>\n

ossification center:<\/strong> cluster of osteoblasts found in the early stages of intramembranous ossification<\/p>\n

ossification:<\/strong> (also, osteogenesis) bone formation<\/p>\n

osteoblast:<\/strong> cell responsible for forming new bone<\/p>\n

osteoclast:<\/strong> cell responsible for resorbing bone<\/p>\n

osteocyte:<\/strong> primary cell in mature bone; responsible for maintaining the matrix<\/p>\n

osteogenic cell:<\/strong> undifferentiated cell with high mitotic activity; the only bone cells that divide; they differentiate and develop into osteoblasts<\/p>\n

osteoid:<\/strong> uncalcified bone matrix secreted by osteoblasts<\/p>\n

osteon:<\/strong> (also, Haversian system) basic structural unit of compact bone; made of concentric layers of calcified matrix<\/p>\n

osteoporosis:<\/strong> disease characterized by a decrease in bone mass; occurs when the rate of bone resorption exceeds the rate of bone formation, a common occurrence as the body ages<\/p>\n

perforating canal:<\/strong> (also, Volkmann\u2019s canal) channel that branches off from the central canal and houses vessels and nerves that extend to the periosteum and endosteum<\/p>\n

perichondrium:<\/strong> membrane that covers cartilage<\/p>\n

periosteum:<\/strong> fibrous membrane covering the outer surface of bone and continuous with ligaments<\/p>\n

primary ossification center:<\/strong> region, deep in the periosteal collar, where bone development starts during endochondral ossification<\/p>\n

projection:<\/strong> bone markings where part of the surface sticks out above the rest of the surface, where tendons and ligaments attach<\/p>\n

proliferative zone:<\/strong> region of the epiphyseal plate that makes new chondrocytes to replace those that die at the diaphyseal end of the plate and contributes to longitudinal growth of the epiphyseal plate<\/p>\n

red marrow:<\/strong> connective tissue in the interior cavity of a bone where hematopoiesis takes place<\/p>\n

remodeling:<\/strong> process by which osteoclasts resorb old or damaged bone at the same time as and on the same surface where osteoblasts form new bone to replace that which is resorbed<\/p>\n

reserve zone:<\/strong> region of the epiphyseal plate that anchors the plate to the osseous tissue of the epiphysis<\/p>\n

secondary ossification center:<\/strong> region of bone development in the epiphyses<\/p>\n

sesamoid bone:<\/strong> small, round bone embedded in a tendon; protects the tendon from compressive forces<\/p>\n

short bone:<\/strong> cube-shaped bone that is approximately equal in length, width, and thickness; provides limited motion<\/p>\n

skeletal system:<\/strong> organ system composed of bones and cartilage that provides for movement, support, and protection<\/p>\n

spongy bone:<\/strong> (also, cancellous bone) trabeculated osseous tissue that supports shifts in weight distribution<\/p>\n

trabeculae:<\/strong> (singular = trabecula) spikes or sections of the lattice-like matrix in spongy bone<\/p>\n

yellow marrow:<\/strong> connective tissue in the interior cavity of a bone where fat is stored<\/p>\n

zone of calcified matrix:<\/strong> region of the epiphyseal plate closest to the diaphyseal end; functions to connect the epiphyseal plate to the diaphysis<\/p>\n

zone of maturation and hypertrophy:<\/strong> region of the epiphyseal plate where chondrocytes from the proliferative zone grow and mature and contribute to the longitudinal growth of the epiphyseal plate<\/p>\n\n\t\t\t

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