HEAD AND NECK

• • Skin
  • Connective Tissue
  • Aponeurosis
  • Loose Areolar Connective Tissue
  • Periosteum

  SCALP
• What aponeurosis in scalp?

  Galea aponeurotica
• Loose Areolar Connective Tissue

  Emissary veins
• Emissary veins 


  • more blood if tear
  • leads bacteria to the brain
• How many bones in skull?

  22 bones
• Cranial Bones 


  • Parietal (2)
  • Temporal (2)
  • Frontal (1)
  • Occipital (1)
  • Ethmoid (1)
  • Sphenoid (1)
• Facial Bones 


  • Mandible (1)
  • Maxilla (2)
  • Zygomatic (2)
  • Nasal (2)
  • Palatine (2)
  • Inferior Nasal Concha (2)
  • Lacrimal (2)
  • Vomer (1)
• How many cranial bones?

  8
• How many Facial Bones?

  14
• Landmarks of the Skull


  • Nasion
  • Glabella
  • Inion
  • Philtrum
  • Nasolabial folds
  • Pterion
  • Bregma
  • Lambda
  • Asterion
• Nasion


  root of the nose
• Glabella 


  glabellar reflex if touch
• Inion


  • back of the skull
  • external occipital protuberance
• Philtrum 


  cupids bone (cleft palate)

  between nose and lips
• Nasolabial folds 


  folds when smile
• Pterion 


  • common fracture area
  • thinnest part of the skull
  • above ear
• Bregma 


  connection of sagittal suture and frontal suture
• Lambda 


  connection of sagittal suture and occipital suture