Bone Histology Word Scramble
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Term | Definition |
CALCIFICATION | FORMATION AND DEPOSITION OF MINERAL SALTS IN THE ECM OF BONE TISSUE ESTABLISHED BY COLLAGEN FIBERS. HARDENS BONE TISSUE |
OSTEOGENIC CELLS | UNSPECIALIZED STEM CELLS; FORM OSTEOBLASTS. FOUND IN PERIOSTEUM, ENDOSTEUM, AND BLOOD VESSEL CANALS |
OSTEOBLASTS | BONE-BUILDING; SECRETE COLLAGEN INTO ECM AND INITIATE CALCIFICATION. BECOME OSTEOCYTES AFTER SELF-TRAPPING IN SECRETIOSN |
OSTEOCYTES | MAINTAIN BONE TISSUE; EXCHANGE OF NUTRIENTS, WASTE, ETC. |
OSTEOCLASTS | IN ENDOSTEUM; RUFFLED BORDER FACES BONE SURFACE TO RELEASE LYSOSOMAL ENZYMES FOR BONE ECM BREAKDOWN |
RESORPTION | BREAKDOWN OF BONE ECM; NORMAL PART OF GROWTH DEVELOPMENT, AND REPAIR |
OSTEON | HAVERSIAN SYSTEMS. CONTAINS CENTRAL (HAVERSIAN) CANAL SURROUNDED BY CONCENTRIC LAMELLAE; RUN PARALLEL TO DIAPHYSIS AND THICKEST IN PARTS OF LEAST DIRECTION |
CONCENTRIC LAMELLAE | RINGS INCREASING IN DIAMETER AROUND THE CENTRAL HAVERSIAN CANAL IN BONE TISSUE FOR BLOOD FLOW |
LACUNA | SMALL SPACES BETWEEN LAMELLAE WHICH HOLD THE OSTEOCYTES. CANALICULI RADIATE FROM LACUNA |
CANALICULI | EXTENSIONS OF OSTEOCYTES ALLOWING FOR CONNECTIONS BETWEEN OSTEOCYTES AND COMMUNICATION VIA GAP JUNCTIONS |
INTERSTITIAL LAMELLAE | CONTAIN LACUNAE WITH OSTEOCYTES AND CANALICULI. FRAGMENTS OF OLD OSTEONS |
PERFORATING CANALS | RUN PERPENDICULAR TO CENTRAL CANALS; VESSELS CONNECT WITH THOSE OF CENTRAL CANALS. |
CIRCUMFRENTIAL LAMELLAE | ARROUND INNER AND OUTER CIRCUMFRENCE OF SHAT; DEEP OF PERIOSTEUM ARE OUTER; THOSE THAT LINE MEDULLARY CAVITY ARE INNER CIRCUMFERENTIAL |
SPONGY BONE | LESS DENSE; MORE SPACE. INNER CIRCLE; INNER CIRCUMFRENTIAL LAMELLAE. CONTAIN SPACES FOR RED BONE MARROW AND AREA FOR BONE GROWTH VIA OSTEOBLAST LINING ON LAMELLAE |
TRABECULAE | PATTERN OF SPONGY BONE TISSUE IN THIN COLUMNS |
INTRAMEMBRANOUS OSSIFICATION | STEM CELLS-->BONE |
ENDOCHONDRAL OSSIFICATION | STEM CELLS-->CARTILAGE-->BONE |
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