Chapter 6 Part A
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Skeletal Cartilage | Highly resilient tissue that consist of water
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| Perichondrium | Layer of dense connective tissue surrounding cartilage like a girdle.
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| Chondrocytes | Cells encased in small cavities with in jelly like extracellular matrix.
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| Hyaline Cartilage | Support, flexibility and resilience. Abundant. Collagen fibers. Joints, ribs, respiratory and noes tip.
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| Elastic Cartilage | Elastic fibers like ears
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| Fibrocartilage | Thick collagen fibers. Tensile strength. Between bones of spine and knee.
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| Appositional Growth | Opposite side. New matrix laid down on surface of cartilage.
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| Interstital grownth | 2 ends. new matrix made with in cartilage.
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| Support | body and soft organs
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| Protection | brain, spinal cord and organs
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| Movement | Levers for muscle action
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| Mineral and Growth | Calcium and Phosphorus
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| Blood Cell Formation | Production of blood cells
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| Hematopoiesis | Red marrow cavities of bones
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| Triglyceride | Fat used for energy source
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| Hormone Production | Osteocalcin secreted by bones helps with insulin.
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| Axial | Center of body. Skull, Vertabral column rib cage.
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| Appendicular | Arms and legs.
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| Long Bones | Longer than wide. Limb bones.
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| Short bones | Cube shaped Wrist and ankle. not attached to another bone
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| Sesamoid | Form with in tendons.
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| Flat bones | Thin, flat, curved. Sternum, scapilae, ribs and skull
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| Irregular Bones | Complicated shapes. Vertebrae and hip bones
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| Level of Bone structure | Gross, Microscopic and Chemical.
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| Compact Bone | Hard and Condensed
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| Spongy Bone | Honeycomb, holes called trabeculae
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| Trabeculae | spaces are filled with red or yellow bone marrow. Strength to bone.
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| Periosteum | covers outside of compact bone
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| Endosteum | Covers inside portion of compact bone.
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| Diaphysis | Long bone shaft, tubular
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| Epiphyses | Long bone ends, spongy bone.
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| Epiphyseal Line | between Diaphysis and Epiphysis
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| Epiphyseal Plate | Bone growth occurs.
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| Periosteum | White, double layer membrane. Outercoting
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| Osteogenic Layer | Generates bone. Stem cells rise
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| Endosteum | Inner most layer. Covers spongy bone, Lines canals.
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| Red marrow | Hematopoietic tissue. found in trabecular cavities and sternum.
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| Medullary Cavities | In newborns, spongy bone contains red marrow.
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| Bone markings | Projection, Depression and Opening.
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| Projection | Outward bulge of bone
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| Depression | Bowl or groove like cut out.
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| Opening | Hole or canal in bone for blood vessels.
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| Osteogenic Cells | Produce Stem Cells
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| Osteoblast | bone forming, Secrete bone matrix.
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| Osteocytes | Mature bone cells. No longer divide.
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| Osteoclasts | Destroy bone, remodeling can occur
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| Bone lining Cells | Flat, on internal and external surfaces,
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| Compact Bone | Lamellar bone, Osteon, Canals, Interstitial.
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| Osteon | Structure of compact bone. Parallel to long axis. Rings of bone matrix.
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| Central (Haversian) Canal | Through core of osteon. Blood vessels and nerve fibers.
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| Perforating (Volkmanns) Canal | lined with endosteum, right angles to central canal.
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| Lacunae | Small cavities that contain osteocytes
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| Canaliculi | Hair like canals. More channels
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| Interstital Lamellae | Filling in gaps, not part of osteon.
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| Circumferential Lamellae | Resist Twisting.
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| Osteoid | makes up 1/3 of bone matrix. Ground substance and Collagen Fibers.
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| Hydroxypaties | Mineral Salts. calcium. 65% bone mass.
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