Chapter 7 study guide axial skeleton Flashcards Preview

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Flashcards in Chapter 7 study guide axial skeleton Deck (20):
1


Bones in body

206 Adult

270 child

2


skull sutures


lambdoid

squamous

sagittal

coronal

3


skull cavities

cranial

orbits

nasal

paranasal sinuses

oral

middle ear

inner ear

4


fontanels

1

sphenoid fontanel

5


fontanels

2

mastoid fontanel

6


fontanel

1

posterior fontanel

7


fontanel

2

anterior fontanel

8


vertebrae function

supports the body

protects spinal cord

supports ribs

allows for flexibility of trunk

9


vertebral features


body (centrum)

vertebral arch

laminae

spinous process

transverse processes

10


vertebral special features


vertebral foramen

superior articular processes

inferior articular processes

intevertebral foramen

11


ribs


true (1-7)

false (8-10)

Floating (11-12)

 

12


true ribs


connect to sternum via their own costal cartilage

13


false ribs


connect to sternum via cartilage of rib 7

14


floating ribs


do not connect to sternum at all

15


number of skull bones

22

16


number of cranial bones

8

17


number of facial bones

14

18


number of vertebrae


24

plus sacrum

coccyx

19


number of ribs


12

20