Skull And Sinuses Flashcards
What are the functions of the skull
Protect brain
Support teeth and muscles
Respiratory passageways
Supports special sensory organs
What bones make up the neurocranium
Frontal
Parietal
Temporal
Occipital
Sphenoid
Ethmoid
What bones enclose the nasal cavity
Nasal
Premaxillary
Maxillary
Palatine
What are the conchae of the skull
Scroll like bones which project into the internal surface of the nasal cavity
What are the meatuses of the nasal cavity
Dorsal middle ventral and common
What is a meatus
A passageway
What are the paranasal sinuses
Air filled spaces within bones of the skull (frontal and maxilla)
What is a maxillary recess
An incompletely enclosed sinus
What do the occipital condyles articulate with
The atlas (C1)
What is the ethmoid bone (cribriform plate)
Between the brain and nasal cavity, houses sensory neurons
Where is the TMJ
Temporal bone
What is the vomer
Small thin midline bone that divides the nasal cavity (septum)
What are the air spaces of the skull
Conchae
- covered by mucus membranes for warming air upon inhalation
What structure does an NG tube have to pass
Common meatus
What are the paranasal sinuses
Diverticula of nasal cavity within bones, lines by mucus membrane
- frontal sinus and maxillary sinus
Is the frontal sinus complete or incomplete
Complete
Is the maxillary recess complete or incomplete
Incomplete
What type of teeth do dogs have
Diphyodont (two sets)
- deciduous and permanent
Heterodont
- different shapes
Brachydont
- low crowns
At what age do deciduous teeth erupt
By 6 weeks of age
At what age do permanent teeth erupt
6 months of age
What is the crown of the tooth
Area of tooth above the gun line
What is the neck of the tooth
Transition between crown and root
What is the root of the tooth
Area below the gumline
What is enamel
Hard substance of the crown
