Transcript of Chapter 14 & 15 Head and Facial Injuries Anatomy of the Skull 22 bones –Cranium (8 bones) –Face...
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- Chapter 14 & 15 Head and Facial Injuries
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- Anatomy of the Skull 22 bones Cranium (8 bones) Face (14 bones)
Sutures 4 Prominent sutures Fontanelles Paranasal Sinuses 22 bones
Cranium (8 bones) Face (14 bones) Sutures 4 Prominent sutures
Fontanelles Paranasal Sinuses
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- Occipital Bone Forms the walls and base of the posterior
portion of the cranium Superior and inferior nuchal lines Occipital
Condyles Hypoglossal Canal Foramen Magnum Forms the walls and base
of the posterior portion of the cranium Superior and inferior
nuchal lines Occipital Condyles Hypoglossal Canal Foramen
Magnum
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- Parietal Bones By their union, they form the sides and roof of
the cranium Temporal Lines By their union, they form the sides and
roof of the cranium Temporal Lines
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- Frontal Bone Consists of two portions Frontal Squama Orbital
Plates Consists of two portions Frontal Squama Orbital Plates
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- Temporal Bones Situated at the sides and base of the skull 5
portions: 1. Squamous portion Zygomatic Process Mandibular Fossa 2.
Mastoid portion Mastoid Process 3. Petrous portion Internal
Auditory Meatus Carotid Canal Stylomastoid Foramen 4. Tympanic
portion External Auditory Meatus 5. Styloid portion Situated at the
sides and base of the skull 5 portions: 1. Squamous portion
Zygomatic Process Mandibular Fossa 2. Mastoid portion Mastoid
Process 3. Petrous portion Internal Auditory Meatus Carotid Canal
Stylomastoid Foramen 4. Tympanic portion External Auditory Meatus
5. Styloid portion
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- Sphenoid Bone Articulates with all of the other bones of the
cranial floor. Parts of the sphenoid: Body Greater Wings Lesser
Wings Pterygoid Processes Articulates with all of the other bones
of the cranial floor. Parts of the sphenoid: Body Greater Wings
Lesser Wings Pterygoid Processes
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- Ethmoid Bone Forms part of the anterior cranial floor;
contributes to the medial wall of each orbit 4 portions Cribriform
plate Crista Galli Perpendicular Plate Labyrinths (Lateral Masses
[2]) Superior and Middle Nasal Conchae Forms part of the anterior
cranial floor; contributes to the medial wall of each orbit 4
portions Cribriform plate Crista Galli Perpendicular Plate
Labyrinths (Lateral Masses [2]) Superior and Middle Nasal
Conchae
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- Nasal Bones 2 separate bones Form bridge of the nose 2 separate
bones Form bridge of the nose
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- Maxillae 2 bones Maxilla = singular Maxillae = plural Form the
upper jaw, roof of mouth, floor and lateral wall of the orbit Parts
Body Alveolar Process Palatine Process 2 bones Maxilla = singular
Maxillae = plural Form the upper jaw, roof of mouth, floor and
lateral wall of the orbit Parts Body Alveolar Process Palatine
Process
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- Lacrimal Bones 2 bones Situated at the front part of the medial
wall of the orbit 2 bones Situated at the front part of the medial
wall of the orbit
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- Zygomatic Bones 2 bones Form the prominence of the cheek, part
of the lateral wall and floor of the orbit Temporal Process 2 bones
Form the prominence of the cheek, part of the lateral wall and
floor of the orbit Temporal Process
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- Palatine Bones 2 bones Situated at the back part of the nasal
cavities between the maxillae and the pterygoid processes of the
sphenoid bone Contribute to the floor and lateral wall of the nasal
cavity, the roof of the mouth, and the floor of the orbit 2 bones
Situated at the back part of the nasal cavities between the
maxillae and the pterygoid processes of the sphenoid bone
Contribute to the floor and lateral wall of the nasal cavity, the
roof of the mouth, and the floor of the orbit
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- Inferior Nasal Conchae Projections found in the lateral wall of
the nasal cavity Increase the surface area of the nasal cavity
Projections found in the lateral wall of the nasal cavity Increase
the surface area of the nasal cavity
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- Vomer Bone Situated in the medial plane Forms the inferior and
posterior portion of the nasal septum Situated in the medial plane
Forms the inferior and posterior portion of the nasal septum
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- Mandible Largest, strongest bone of face Only movable bone of
skull Parts Body Ramus Coronoid Process Condylar Process Mandibular
Notch Angle Largest, strongest bone of face Only movable bone of
skull Parts Body Ramus Coronoid Process Condylar Process Mandibular
Notch Angle
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- Sutures of the Skull Coronal Suture Sagittal Suture Lambdoidal
Suture Squamosal Suture Coronal Suture Sagittal Suture Lambdoidal
Suture Squamosal Suture
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- Brain Brain Brain facts 4 parts of the brain Cerebrum
Diencephalon Cerebellum Brain Stem Brain facts 4 parts of the brain
CCerebrum DDiencephalon CCerebellum BBrain Stem
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- Brain Lobes Cerebrum divided into 4 lobes Frontal Parietal
Temporal Occipital Cerebrum divided into 4 lobes Frontal Parietal
Temporal Occipital
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- Cerebrospinal Fluid Primary Function = shock absorption
Secondary Functions = circulate nutrients and chemicals from blood
and remove waste products from brain Primary Function = shock
absorption Secondary Functions = circulate nutrients and chemicals
from blood and remove waste products from brain
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- Preventing Head Injuries Helmets Mouth Guards Rules Common
Sense Helmets Mouth Guards Rules Common Sense
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- Head and Face Injuries Skull Fracture Concussion Intracranial
Hematoma Post-concussion Syndrome Second Impact Syndrome Corneal
Abrasion or Laceration Detached Retina Black Eye Foreign Body in
Eye Embedded Object Subconjunctival Hematoma Hyphema Blowout
Fracture Fracture of the Orbital Roof Skull Fracture Concussion
Intracranial Hematoma Post-concussion Syndrome Second Impact
Syndrome Corneal Abrasion or Laceration Detached Retina Black Eye
Foreign Body in Eye Embedded Object Subconjunctival Hematoma
Hyphema Blowout Fracture Fracture of the Orbital Roof Sinus
Fracture Dislodged Contact Lens Eyelid Laceration Rupture Globe
Laceration of the Pinna Cauliflower Ear Otitis Externa Foreign Body
in Ear Epistaxis Deviateed Septum Nasal Fracture Mandible/Maxilla
Fracture Temporomandibular Dislocation Tooth Dislocation Fracture
Tooth
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- Skull Fracture Types Depressed Compound Linear Penetrating
Etiology Signs and Symptoms Management Types Depressed Compound
Linear Penetrating Etiology Signs and Symptoms Management
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- Temporomandibular Dislocation Etiology Signs and Symptoms
Treatment Etiology Signs and Symptoms Treatment
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- Tooth Dislocation Etiology Signs and Symptoms Treatment
Subluxated Luxated Avulsed Etiology Signs and Symptoms Treatment
Subluxated Luxated Avulsed
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- Fractured Tooth Etiology Signs and Symptoms Treatment Etiology
Signs and Symptoms Treatment