L2.7.1: Bone

• • Functions to protect and support the body.
  • Composition:
  • Osteocytes (bone cells) found within lacunae (cavities); spider-like
  • Hard matrix calcium salts
  • Large numbers of collagen fibers.


  Bone
• • Bone Tissues are Primarily composed of osteons, yung spiral na mukhang solar system—bilog bilog stuff.
  • Haversian System/Central canal
  • Lacunae
  • Canaliculi


  Osteon
• • Contains blood vessels and nerves.
  • Highly vascular because it’s the site of blood formation.


  Haversian System/Central canal
• • Contains the blood cells or osteocytes.
  • Yung paikot; parang orbit.

  Lacunae
• • Hair-like structures that serve as the bridge among bone cells (osteocytes).
  • Parang messenger/bridge ng mga distant osteocytes.
  • Yung parang buhok-buhok sa lacunae

  Canaliculi