Term
| There are _____ primary types of skeletal tissue. (#) |
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Definition
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Term
| What is the attachment zone of fibrous tissue to bone called? |
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Definition
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Term
| T/F: Enthesis injury leads to new bone growth. |
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Definition
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Term
| T/F: If fibroblasts of attachments suffer ischemia/hypoxia, they undergo chondroid metaplasia to become chondrocytes. |
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Definition
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Term
| Cartilage tissue contains _____% water that is freely diffusible. |
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Definition
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Term
| The intercellular matrix created by chondrogenic cells is called _____. |
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Definition
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Term
| When do chondroblasts become chondrocytes? |
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Definition
| When matrix becomes too dense for chondroblasts to divide & separate |
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Term
| T/F: Osteoprogenitor cells are committed mesenchymal cells. |
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Definition
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Term
| _____ are specialized cells that resorb bone matrix. |
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Definition
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Term
| What is the portion of bone seen on a radiograph? |
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Definition
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Term
| Osteoid comprises _____% of the bone tissue matrix. |
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Definition
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Term
| T/F: Osteoid is composed primarily of type 2 protein fibers. |
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Definition
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Term
| The inorganic matrix comprises _____% of bone tissue matrix. |
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Definition
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Term
| T/F: Organic matrix is the major component (by weight) of bone tissue matrix. |
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Definition
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Term
| T/F: Other mesenchymal cells can be induced to synthesize bone tissue in soft tissues separated from bone organs. |
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Definition
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Term
| T/F: Walls of alveoli of lungs can be induced to synthesize bone tissue. |
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Definition
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Term
| What tissue types can undergo dystrophic ossification? |
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Definition
| Walls of prostate glands & walls of urinary bladder |
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Term
| T/F: Sustained edema can cause BM reticular cells to form bone. |
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Definition
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Term
| T/F: The collagen bundles of woven bone are disoriented. |
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Definition
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Term
| T/F: Woven bone is formed in skeletal repair. |
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Definition
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Term
| Woven bone is removed & replaced by _____. |
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Definition
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Term
| T/F: Lamellar bone has a disorderly structure and rapid rate of formation. |
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Definition
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Term
| Spongy bone is AKA _____ or _____. |
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Definition
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Term
| T/F: Cancellous bone lacks opacity radiographically. |
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Definition
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Term
| What type of bone provides shock absorption for joints? |
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Definition
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Term
| Compact/cortical bone is formed of _____ & _____. |
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Definition
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Term
| T/F: Woven bone is characterized by Haversian lamellae. |
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Definition
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Term
| _____ provide bone length. |
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Definition
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Term
| T/F: The metaphyseal plate is on the surface of articular cartilage. |
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Definition
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Term
| T/F: Primary centers of ossification are located at the midpoint of developing bone organ (diaphyses) |
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Definition
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Term
| T/F: Secondary centers of ossification are called compression physes. |
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Definition
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Term
| T/F: Physeal fx are common in skeletally immature patients. |
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Definition
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Term
| _____ are structurally the weakest part of the developing bone. |
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Definition
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Term
| Tertiary centers of ossification are AKA _____. |
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Definition
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Term
| T/F: Primary centers of ossification are called traction physes. |
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Definition
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Term
| T/F: Tertiary centers display the same manner of growth as secondary centers of ossification. |
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Definition
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Term
| T/F: In tertiary centers of ossification, the growth plate appears radiographically well organized. |
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Definition
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Term
| _____ covers external surface of bone. |
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Definition
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Term
| T/F: Periosteum provides blood supply for external cortical bone. |
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Definition
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Term
| T/F: Periosteum separates easily in mature bone |
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Definition
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Term
| T/F: Periosteum is normally seen radiographically. |
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Definition
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Term
| T/F: Endosteum is normally seen radiographically. |
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Definition
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Term
| Name 3 processes that increase medullary density. |
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Definition
| Bone infarcts, Medullary fibrosis/sclerosis, Panosteitis |
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Term
| _____ vessels enter at entheses & supply external cortical bone. |
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Definition
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Term
| The flow of cortical blood supply is generally _____, but can become _____. |
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Definition
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Term
| Bone micromodeling is seen in _____ bone tissue. |
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Definition
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Term
| What bone response to "injury" is considered repair activity? |
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Definition
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Term
| What bone response to "injury" is considered repair activity? |
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Definition
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Term
| T/F: In making a radiographic evaluation, it is recommended to memorize radiographic appearance of a specific dz. |
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Definition
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Term
| T/F: When designating a radiograph as benign asymptomatic, it is recommended to repeat radiographs. |
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Definition
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Term
| What category(ies) of basic radiographic appearance necessitate(s) Bx? |
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Definition
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Term
| T/F: Contrast refers to sharpness of image. |
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Definition
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Term
| T/F: Contrast is AKA brightness. |
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Definition
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Term
| T/F: In repeated radiographic studies, one must use the same patient positioning and radiographic technique. |
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Definition
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Term
| T/F: In skeletally mature patients, sequential studies for bone lesions are usually made 4-5 days apart. |
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Definition
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Term
| For what polyostotic lesions is a skeletal survey recommended? |
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Definition
| Panosteitis, Malignant bone dz, HO (Marie's dz) |
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Term
| Skeletal surveys are recommended as part of a prepurchase exam for what animals? |
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Definition
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Term
| T/F: The nature of the zone of transition is helpful in determining aggression of a pattern. |
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Definition
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Term
| T/F: The nature of the cortex is helpful in determining the aggression of a pattern. |
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Definition
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Term
| T/F: Obvious change noted w/i 7-10 days is suggestive of a non-aggressive lesion. |
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Definition
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Term
| What is the least aggressive pattern of bone lysis? |
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Definition
| Geographic pattern of destruction |
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Term
| T/F: Motheaten pattern is AKA circumscribed lysis. |
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Definition
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Term
| What is the most aggressive pattern of bone lysis? |
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Definition
| Permeative pattern of destruction |
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Term
| Which pattern of destruction is characterized by "skip" lesions? |
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Definition
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Term
| T/F: Developmental bone cysts are usually metaphyseal. |
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Definition
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Term
| T/F: Developmental bone cysts are always monostotic. |
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Definition
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Term
| T/F: Developmental bone cysts may predispose to pathologic fx. |
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Definition
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Term
| Developmental bone cysts move _____ as bone lengthens. |
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Definition
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