L4.8.1.1.1: Anterior View of the Skull

• ANTERIOR VIEW OF THE SKULL

  CRANIAL BONES

  Frontal bone

  Parietal bone
• ANTERIOR VIEW OF THE SKULL

  FACIAL BONES

  • Sphenoid bone
  • Ethmoid bone
  • Lacrimal bone
  • Nasal bone
  • Nasal concha (turbinates/turbinal)
  • Vomer
  • Zygomatic bone
  • Maxilla
  • Mandible
  • Mental foramen
  • Alveolar ridges
• Sphenoid bone

  • butterfly-shaped bone that makes up the floor of the cranial cavity
• Ethmoid bone

  • irregularly shaped bone that forms the roof of the nasal cavity
• Lacrimal bone

  • in the medial wall of the orbit of the eye
  • Passageway for tears
• Nasal bone

  • bridge of the nose
• Nasal concha (Turbinates / Turbinal)

  • chambers within the nasal cavity
  • Also called turbinates or turbinal
  • 2 parts: middle nasal concha & inferior nasal concha
• Vomer

  • Found in the median line of the nasal cavity
  • Separates the two nostrils
• Zygomatic bone

  • cheekbone
• Maxilla

  • Upper jaw bone
  • Carries the upper teeth
• Mandible

  • Lower jaw bone
  • Largest and strongest bone in the face
  • The only FREELY MOVABLE joint in the skull
• Mental foramen

  • Anterolateral aspect of the mandible
  • Where nerve and blood vessels pass through
• Alveolar ridges

  • Found in the median line of both the upper and lower jaw
  • Holds the socket of the teeth