Flashcards in Head Deck (87)
Name the paired bones of the skull
Temporal, frontal, parietal, incisive, exoccipital, nasal, maxilla, zygomatic, palatine, lacrimal, pterygoid, mandible, dorsal turbinates, ventral turbinates, ethmoturbinates
Name the unpaired bones of the skull
Supraoccipital, basioccipital, basisphenoid, presphenoid, ethmoid, vomer
What does the incisive bones house?
What part of the mandible articulates with the skull?
What is the very top of the mandible called?
What is the genu of the mandible?
Where the L/R meet
Where do sensory nerves for teeth enter and leave?
Enter inferior alveolar foramen
exit mental foramen
What passes through infraorbital foramen?
What bones fuse to form the hard palate?
Palatine, maxilla, incisive
What makes up the primary and secondary palate?
Primary- lip and incisive bone
Secondary- hard and soft palate
What 3 bones make up the occipital bone?
supraccipital, exoccoiptal, basioccipital
Where does the spinal cord leave?
What articulates with C1?
What does the hyoid apparatus support?
Tongue and larynx
What causes a cleft lip and a cleft palate?
Cleft lip- failure to close primary palate
Cleft palate- failure to close secondary palate
What is syringomyelia?
Occipital bone is undersized and cerebellum presses against foramen magnum and interrupts flow of CSF
Name and example of a dolichocephalic, mesaticephalic and brachycephalic
Mesaticephalic- German shepard
Brachycephalic- bull dog
What problems arise in brachycephalic dogs?
Occluded nostrils, long soft palate causes difficulty breathing, unusual number of teeth, exophthalmic eyes- too small sockets
Give an example of a horse breed with the following head shape: Convex, Straight, Concave
What are the functions of the nasal cavity?
Warm and humidify air, filter particles, detect odour
What divides the nasal cavity?
The nasal septum by the ethmoid bone and cartilage
What is the space in the nasal cavity mainly taken up by?
What is the space between turbinate bones called?
Where are the turbinate bones origin?
Nasal and maxilla walls
What are the three groups of turbinates?
Ethmoturbinates, dorsal turbinates, ventral turbinates
Where are the ethmoturbinates attached?
nasal septum, lateral nasal wall, crib form plate and ethmoid bone
Where do dorsal turbinates attach?
Where do ventral turbinates attach?
What are the different meatii?
Dorsal at top, middle between, common (connects all), ventral