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Bone and Bone Tissue

Chapter 6 definitions

Articular cartilage Thin layer of hyaline cartilage covering the surface of the epiphysis
Canaliculi Microscopic passageways that connect lamellae to each other
Cancellous bone Spongy bone found in the ends of long bones and the middle of most other bones
Compact bone Dense solid bone that forms the shafts of long bones and the outer surfaces of other bones
Diaphysis The central shaft-like portion of a long bone
Endochondral ossification Process in the fetus whereby cartilaginous skeleton transforms into bone
Epiphyseal plate Layer of cartilage separating the epiphysis from the diaphysis at each end of a long bone; the site where bone growth occurs
Endosteum Thin epithelial membrane lining the inside of the medullary cavity
Epiphysis The head of each end of a long bone
Haversian canal Central canal in compact bone containing blood vessels and nerves; surrounded by lamellae
Intramembranous ossification Process in the fetus whereby fibrous connective tissue evolves into bone
Lacunae Tiny gaps between rings of lamellae in compact bone
Lamellae Concentric rings of matrix surrounding haversian canal in compact bone
Medullary cavity The central hollow portion of a long bone that contains bone marrow
Osseous tissue Bone tissue
Ossification The creation of new bone
Osteoblast Bone-forming cell
Osteoclasts Bone cells that dissolve old or unhealthy bone
Osteocyte Mature osteoblast
Osteon Basic structural unit of compact bone consisting of a haversian canal and surrounding lamellae
Periosteum Dense fibrous membrane covering the diaphysis
Remodeling Reshaping or reconstructing part of a bone
Resorption The destruction of old bone; part of the bone remodeling process
Spongy bone Also called cancellous bone; found in the ends of long bones and the middle of most other bones
Trabeculae Latticework of osseous tissue that makes up the structure of spongy or cancellous bone
Created by: cbooher16



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