S.A. Osteology Flashcards Preview

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Flashcards in S.A. Osteology Deck (30)
1

when does skull ossification begin?

7-8 weeks (embryo)

2

where are sutures?

coronal- frontal & parietal
Sagittal- 2 parietals
lambdoidal- parietal & occipital
Squamous- temporal & parietal

3

where is the cribriform plate & crista galli located?

ethmoid

4

what makes up the maxillary?

hard palate, palatine, orbital processes

5

what are features of sphenoid?

sella turcica, foramen rotundum, foramen ovale, for. lacerum, for. spinosum, etc.

6

what makes up an orbit?

sphenoid, frontal, zygomatic, palatine, ethmoid, lacrimal, maxillary (NOT NASAL)

7

when does VC ossification begin?

7-8 weeks (embryo)

8

what are the 3 primary oss. centers? complete oss. by?

One body (centrum)
One each of vertebral arch (lamina & pedicle)
(3 total)
completed by 3-6 years old

9

what are the 5 secondary oss. centers?

one tip of spinous
two- TP
two- annular ring epiphyses (sup & inf aspect of body)
complete oss. by 25 yrs old

10

Lumbars have 3 additional oss. centers T/F?

False; 2- one for each mamillary process

11

what are flat bones?

no direct sternal attachment

12

how many pairs of ribs are there?

12

13

what are the typical ribs?

3-9

14

what are the Atypical ribs?

1,2,11,12

15

which ribs are floaters?

11 & 12

16

maunbrium features?

jugular notch- loc: T3-T4
angle of louis (sternal angle) manubrium/sternum meet; 2nd rib attachment

17

Sternum Aka? features?

gladiolus
body is located: T5-T9
costal notches form lateral borders

18

Xiphoid process landmarks?

diaphragmatic surface of liver, inferior border of heart

19

sacrum is made up of?

5 fused vertebrae- by age 25
Base- sacral promontory
Ala- lateral sides aka wings
sacral foramina- spinal nerves pass thru
APEX- art. with coccyx

20

Cervical landmarks

C3- hyoid
C4- cornu of thyroid
C5- body of thyroid
C6- Cricoid cart.
C6- carotid tubeclr

21

what are the boundaries of the IVF?

pedicle
facets
body
disc

22

what are the shapes of VB in cervical? thoracic? lumbar?

Oval
Heart
Reniform (kidney bean)

23

C1 sup art facet/ inf. art. facet orientation?

SAF- BUM
IAF- BMD

24

C2 SAF/IAF orientation?

SAF-BUL
IAF- FoLD

25

C3-C6 SAF/IAF orientation?

SAF-BUM
IAF- FoLD

26

C7 SAF/IAF orientation?

SAF-BUM
IAF-FoLD

27

T1-T11 SAF/IAF orientation?

SAF-BUL
IAF-FoLD

28

T12 SAF/IAF orientation?

SAF- BUL
IAF- FoLD

29

L1-L5 SAF/IAF orientation?

SAF_BUM
IAF- FoLD

30

S1 SAF orientation?

SAF-BUM