Lab1: Axial Skeleton (Chapter 6) Flashcards Preview

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Flashcards in Lab1: Axial Skeleton (Chapter 6) Deck (33)
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1
Q

What are the 8 cranium bones?

A
Frontal (1)
Parietal (2)
Temporal (2)
Occipital (1)
Sphenoid (1)
Ethmoid (1)
2
Q

What are the 14 facial bones?

A
Mandible (1)
Maxilla (2)
Palatine (2)
Zygomatic (2)
Lacrimal (2)
Nasal (2)
Vomer (1) 
Inferior nasal concha (2)
3
Q

what bones are separated at the sagittal suture?

A

the left and right parietal bones

4
Q

what bones are separated at the coronal suture?

A

the frontal bone and both the parietal bones

5
Q

what bones are separated at the frontonasal suture?

A

the frontal bone and both the nasal bones

6
Q

what bones are separated at the squamous suture?

A

located on each side of the skull and connected the temporal and parietal bones on each side

7
Q

what bones are separated at the lambdoid suture?

A

the occipital bone and the parietal bones

8
Q

what bones are separated at the occipitomastoid suture?

A

?

9
Q

the occipital, parietal, and frontal bones form the “skullcap” which is known as the what?

A

calvaria (cranial vault)

10
Q

What bone does not articulate with any other bone? where is it located?

A

Hyoid bone

it lies inferior to the skull and is suspended by the stylohyoid ligaments

11
Q

What 7 bones make up the orbital complex?

A
frontal bone 
maxilla
lacrimal 
ethmoid
sphenoid 
palatine
zygomatic
12
Q

what 8 bones make up the nasal complex?

A
frontal
sphenoid
ethmoid
vomer
nasal septum
inferior nasal conchae
lacrimal
13
Q

what bones contain the paranasal sinuses?

A

frontal
sphenoid
ethmoid
maxillae

14
Q

what does articulation mean?

A

Joint

15
Q

what does brachium mean?

A

upper arm

16
Q

what does antebrachium mean?

A

lower arm

17
Q

what does costa mean?

A

rib

18
Q

what does suture mean?

A

fibrous joint between flat bones of the skull

19
Q

what are fontanels?

A

Areas of fibrous connective tissue that connect bones of cranium that allow for distortion of skull during birth

20
Q

what is the largest fontanel and where is it located?

A

anterior

lies at the intersection of the frontal, sagittal, and coronal sutures

21
Q

where is the posterior fontanel located?

A

the junction between the lambdoid sutures and the sagittal suture

22
Q

where is the sphenoidal fontanel located?

A

the junction between squamous and coronal sutures

23
Q

______ spinal curves develop before birth and ________spinal curves develop after birth

A

Primary

Secondary

24
Q

What are the 2 primary and the 2 secondary spinal curvatures?

A
Primary:
thoracic
sacral
Secondary:
cervical 
lumbar
25
Q

describe the cervical curve

A

develops as the infant learns to balance the weight of the head on the vertebrae of the neck

26
Q

describe the thoracic curve

A

accommodates the thoracic organs

27
Q

describe the lumbar curve

A

balances the weight of the trunk over the lower limbs; it develops with the ability to stand

28
Q

describe the sacral curve

A

accommodates the abdominopelvic organs

29
Q

how many cervical, thoracic, and lumbar vertebra are there?

A

cervical=7
thoracic=12
lumbar=5

30
Q

what are the names for c1 and c2

A

c1=atlas

c2=axis

31
Q

how many pairs of “true” ribs are there?

what is the other name for these?

A

7 (1-7); vertebrosternal

*attach directly to the sternum

32
Q

how many pairs of “false” ribs are there?

what is the other name for these?

A

3 (8-10); vertebrochondral

*do not attach directly to the sternum; fuse together before reaching the sternum

33
Q

how many pairs of “floating” ribs are there?

what is the other name for these?

A

2 (11-12); Vertebral

*have no connection with the sternum