L4.3.3: Microscopic Anatomy

avatar
Created by
Ayen B.

Cards (9)

  • Spongy bone
    ● Composed of trabeculae and open spaces
    ● TRABECULAE - small, needle like pieces of bones
    ● OPEN SPACES - filled by marrow, blood vessels, and nerves
  • Compact bone
    • osteon
    • haversian canal
    • lamella
    • lacuna
    • osteocyte
    • canaliculi
    • perforating (volkmann's canal)
  • OSTEON
    Haversian system; the structural and functional unit of compact bone
  • HAVERSIAN CANAL
    The centermost structure that runs lengthwise and carries the blood vessels and nerves
  • LAMELLA
    The concentric rings of matrix situated around the central (haversian) canal
  • LACUNA
    Small spaces in between the rings of matrix where bone cells are located
  • OSTEOCYTE
    Mature bone cells situated in bone matrix
  • CANALICULI
    Small channels that radiate from the lacunae to the haversian canal
  • PERFORATING
    (VOLKMANN’S CANAL)
    Perpendicular to the central canal; helps it carry the blood vessels and nerves