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The flashcards below were created by user
nathanx17
on FreezingBlue Flashcards.
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what are bone markings?
surface features that characterize each bone
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projections on bones are where ____, ____, and _____ attach
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smooth areas on bones are sites for...
articulation between bones
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depressions, groves, and opening are where ____ ______ and _______ travel.
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what is a condyle?
large, smooth, rounded articulating oval structure
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what is a facet?
small, flat, shallow articulating surface
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what is a head?
prominent, rounded epiphysis
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what is a trochlea?
smooth, groover, pulley- like articular process
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what are the 4 articulating surfaces?
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what are the 3 depressions of bone?
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what is an alveolus?
deep pit or socket in the maxillae or mandible
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what is a fossa?
flattened or shallow depression
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what is a sulcus?
narrow groove
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what are the 9 projections for tendon and ligament attachment?
- crest
- epicondyle
- line
- process
- ramus
- spine
- trochanter
- tubercle
- tuberosity
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what is a crest?
narrow, prominent, ridgelike projection
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what is an epicondyle?
projection adjacent to a condyle
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what is a line?
low ridge
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what is a process?
any marked bony prominence
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what is a ramus?
angular extension of a bone relative to the rest of the structure
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what is a spine?
pointed, slender process
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what is a trochanter?
massive, rough projection found only on the femur
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what is a tubercle?
small, round projection
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what is a tuberosity?
large, rough projection
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what are the 5 types of openings and spaces?
- canal
- fissure
- foramen
- meatus
- sinus
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what is a canal?
passageway through a bone
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what is a fissure?
narrow, slitlike opening through a bone
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what is a foramen?
rounded passageway through a bone
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what is a meatus?
passageway through a bone
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what is a sinus?
cavity of hallow space in a bone
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what two divisions make up the skeletal system?
- axial skeleton
- appendicular skeleton
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what is the axial skeleton?
anything thats not the appendicular skeleton (limbs)
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what's the most complex structure in the skeleton?
skull
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the skull is comprised of how many bones?
22
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what is the roof of the cranium called?
calvaria
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the calvaria is composed of all but one part of the cranial bone. Which is missing?
temporal bone
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how many bones comprise the facial bone?
14 facial bones
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what is the largest cavity in the skull?
cranial cavity
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what are the 5 cavities of the skull?
- cranial cavity
- orbits
- oral cavity
- nasal cavity
- paranasal sinuses
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what makes up the paranasal sinuses?
- frontal sinus
- ethmoidal sinuses
- maxillary sinus
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