Bones of the Face - Lab Notes

Bones of the Face

Overview

• This lab focuses on the bones of the face.
• Exercise 9, Lab Activity 1.

Bones of the Face

• Bones:
  • Nasal bone
  • Zygomatic bone
  • Mandible
  • Maxilla
• Maxilla Bone Features:
  • Infraorbital foramen
  • Palatine process
  • Incisive foramen

Additional Facial Bones

• Mandible
• Ramus
• Mandibular condyle
• Coronoid process
• Mental foramen
• Mandibular foramen
• Inferior nasal concha bone
• Vomer bone
• Palatine bone
• Lacrimal bone
• Nasal bone
• Zygomatic bone
  *Hyoid Bone (although not really a facial bone.)

Sinuses

• Locate the following sinuses:
  • Frontal
  • Maxillary
  • Ethmoidal
  • Sphenoidal

Labeling Handout

• Axial Skeleton - Part 2.
• Turn to Page 1 of the Labeling Handout.

Facial Bones

• 14 facial bones in total:
  • Nasal: 2
  • Lacrimal: 2
  • Inferior nasal concha: 2
  • Palatine: 2
  • Maxilla: 2
  • Mandible: 1
  • Zygomatic: 2
  • Vomer: 1

Maxilla Bone

• Features:
  • Infraorbital foramen
  • Palatine process
  • Incisive foramen

Mandible Bone

• Features:
  • Ramus
  • Mandibular condyle
  • Coronoid process
  • Mental foramen
  • Mandibular foramen

Hyoid Bone

• Note: Not really a facial bone.

Inferior Nasal Concha Bone

Vomer Bone

• Features:
  • Posterior border
  • Nasopalatine groove
  • Ala or wing
  • Perpendicular plate

Palatine Bone

• Features:
  • Crista ethmoidalis
  • Crista conchalis
  • Processus pyramidalis

Lacrimal Bone

Nasal Bone

Zygomatic Bone

Sinuses

• Types:
  • Frontal sinus
  • Maxillary sinus
  • Ethmoidal sinus
  • Sphenoidal sinus
• Sinus Infection (Acute Sinusitis):
  • Inflammation
  • Pus-filled sinuses

Sphenoid Sinus

• Related structures:
  • Optic chiasm
  • Pituitary tumor
  • Clivus
• Tools:
  • Endoscope
  • Nasal speculum

Interactive Content

• Interactive content for grade on Moodle:
  • HP Frontal View of the Skull Labeling
  • HP Skull Bones Labeling - Lateral View
  • HP Inferior View of the Skull
  • HSP Sutures and Fontanelles