Cartilage and Bone

Cards (37)

  • What is the most abundant type of cartilage
    Hyaline Cartilage
  • What is its relative strength compared to other cartilage types?
    Weakest type
  • What does it connect in the thorax
    Ribs to sternum
  • What respiratory structure does it support
    Trachea
  • What is Hyaline Cartilage role in joints?
    Covers opposing bone surfaces
  • What two protective functions does hyaline cartilage serve
    Shock absorber
    Forms fetal skeleton
  • Cartilage characterized by high resilience and flexibility
    Elastic Cartilage
  • What are Elastic cartilage main location
    External ear
    Epiglottis
    Auditory tubes
  • Strongest type of cartliage that acts as a aashock absorber
    Fibrocartilage
  • Functions of bone
    Support
    Protection
    Storage
    Blood cell production
    Movement
  • 4 main type of bones
    Long
    flat
    short
    irregular
  • The structural material of bone composed of water, collagen fibers and mineral salts
    Bone Matrix
  • What is the percentage of water in bone matrix structure
    25%
  • What percentage is made up of collagen fibers
    25%
  • What percentage consists of crystallized mineral salts
    50%
  • What is the primary mineral salt in this structure
    Calcium phosphate
  • Outer connective tissue layer of bone containing osteogenic cells
    Periosteum
  • Bone forming cells that secrete collagen fibres for bone matrix
    Osteoblast
  • What happens to the Osteoblasts after building matrix?
    Become trapped in lacunae
  • What do osteoblasts become after being trapped in lacunae?
    Osteocytes
  • Mature bone cells trapped within lacunae
    Osteocytes
  • What is the primary function of osteocytes?
    Maintain bone
  • Bone resorbing cells that regulate bone turnover
    Osteoclasts
  • What type of cells do osteoclasts develop from
    Monocytes
  • What is the function of osteoclasts in bone metabolism
    Digest bone matrix for normal bone turnover
  • Basic structural unit of compact bone also called haversian system

    Osteon
  • What structure run through osteon's center?
    Central canal
  • 3 components are found in its central canal
    Blood vessels
    Nerves
    Lymphatics
  • What surrounds the central canal in layers
    Concentric lamellae
  • Dense bone tissue found beneath the periosteum with minimal spaces between structural components
    Compact Bone
  • Small spaces in bone tissue that contain osteocytes
    Lacunae
  • Small canals in bone tissue connecting lacunae
    Canaliculi
  • Less dense bone tissue characterized by a lattice like structure
    Spongy Bone
  • How does spongy bone structure differ from compact bone
    Not arranged in osteons
  • What is Spongy bones characteristic structural pattern
    Irregular latticeworkof trabeculae
  • What maybe found in the spaces between trabeculae
    Red bone marrow
  • Structural elements forming the lattice in spongy bone
    Trabeculae