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AnP Ch 6 Part A
Chapter 6 Part A
| Term | Definition |
|---|---|
| Skeletal Cartilage | Highly resilient tissue that consist of water |
| Perichondrium | Layer of dense connective tissue surrounding cartilage like a girdle. |
| Chondrocytes | Cells encased in small cavities with in jelly like extracellular matrix. |
| Hyaline Cartilage | Support, flexibility and resilience. Abundant. Collagen fibers. Joints, ribs, respiratory and noes tip. |
| Elastic Cartilage | Elastic fibers like ears |
| Fibrocartilage | Thick collagen fibers. Tensile strength. Between bones of spine and knee. |
| Appositional Growth | Opposite side. New matrix laid down on surface of cartilage. |
| Interstital grownth | 2 ends. new matrix made with in cartilage. |
| Support | body and soft organs |
| Protection | brain, spinal cord and organs |
| Movement | Levers for muscle action |
| Mineral and Growth | Calcium and Phosphorus |
| Blood Cell Formation | Production of blood cells |
| Hematopoiesis | Red marrow cavities of bones |
| Triglyceride | Fat used for energy source |
| Hormone Production | Osteocalcin secreted by bones helps with insulin. |
| Axial | Center of body. Skull, Vertabral column rib cage. |
| Appendicular | Arms and legs. |
| Long Bones | Longer than wide. Limb bones. |
| Short bones | Cube shaped Wrist and ankle. not attached to another bone |
| Sesamoid | Form with in tendons. |
| Flat bones | Thin, flat, curved. Sternum, scapilae, ribs and skull |
| Irregular Bones | Complicated shapes. Vertebrae and hip bones |
| Level of Bone structure | Gross, Microscopic and Chemical. |
| Compact Bone | Hard and Condensed |
| Spongy Bone | Honeycomb, holes called trabeculae |
| Trabeculae | spaces are filled with red or yellow bone marrow. Strength to bone. |
| Periosteum | covers outside of compact bone |
| Endosteum | Covers inside portion of compact bone. |
| Diaphysis | Long bone shaft, tubular |
| Epiphyses | Long bone ends, spongy bone. |
| Epiphyseal Line | between Diaphysis and Epiphysis |
| Epiphyseal Plate | Bone growth occurs. |
| Periosteum | White, double layer membrane. Outercoting |
| Osteogenic Layer | Generates bone. Stem cells rise |
| Endosteum | Inner most layer. Covers spongy bone, Lines canals. |
| Red marrow | Hematopoietic tissue. found in trabecular cavities and sternum. |
| Medullary Cavities | In newborns, spongy bone contains red marrow. |
| Bone markings | Projection, Depression and Opening. |
| Projection | Outward bulge of bone |
| Depression | Bowl or groove like cut out. |
| Opening | Hole or canal in bone for blood vessels. |
| Osteogenic Cells | Produce Stem Cells |
| Osteoblast | bone forming, Secrete bone matrix. |
| Osteocytes | Mature bone cells. No longer divide. |
| Osteoclasts | Destroy bone, remodeling can occur |
| Bone lining Cells | Flat, on internal and external surfaces, |
| Compact Bone | Lamellar bone, Osteon, Canals, Interstitial. |
| Osteon | Structure of compact bone. Parallel to long axis. Rings of bone matrix. |
| Central (Haversian) Canal | Through core of osteon. Blood vessels and nerve fibers. |
| Perforating (Volkmanns) Canal | lined with endosteum, right angles to central canal. |
| Lacunae | Small cavities that contain osteocytes |
| Canaliculi | Hair like canals. More channels |
| Interstital Lamellae | Filling in gaps, not part of osteon. |
| Circumferential Lamellae | Resist Twisting. |
| Osteoid | makes up 1/3 of bone matrix. Ground substance and Collagen Fibers. |
| Hydroxypaties | Mineral Salts. calcium. 65% bone mass. |
Created by:
Jaytee07
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