bone module for vertebrae Flashcards

(44 cards)

1
Q

cervical vertebrae body feature

A

small quadrangular body

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2
Q

cervical vertebrae foramen feature

A

triangular

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3
Q

cervical vertebrae spinous process feature

A

bifurcated

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4
Q

body of the thoracic vertebrae

A

medium sized and heart shaped

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5
Q

unique features of the cervical vertebrae

A

lateral and anterior lips that form the uncinate process and transverse foramen

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6
Q

vertebral foramen of the T vertebrae

A

is relatively small, about the size of the middle finger and is circular

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7
Q

spinous process of T vertebrae

A

long and inclined downward

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8
Q

superior articular processes for T vertebrae

A

face backwards and laterally

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9
Q

inferior articular process of T vertebrae

A

face forward and medially (expect for XII that faces laterally)

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10
Q

shape of the sacrum

A

concave anterior

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11
Q

what of the sacrum articulates with the coccyx?

A

apex

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12
Q

what does the sacrum articulate with laterally?

A

hip bones to form the sacroiliac joints

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13
Q

sacral promontory

A

is the anterior and upper margin of the first sacral vertebra that bulges forward

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14
Q

what is on either side of the promontory

A

two triangular flat surfaces called sacral ala

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15
Q

sacral foramina

A

are in the sacrum and form the sacral canal (sacral ala)

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16
Q

sacral hiatus

A

laminae of the 5th sacral vertebra and sometimes the 4th that fail to meet in the midline

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17
Q

median sacral crest

A

are the remnant of the spinous processes form this on either side of the crest

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18
Q

middle and lateral crests

A

are the remnants of the articular and transverse processes

19
Q

anterior surface of the sacrum

A

is concave and has four foramina on each side for the passage of the anterior rami of the sacral nerves

20
Q

transverse ridges

A

are on the sacrum and represent the remnant of intervertebral discs

21
Q

sacral ala

A

are on either side of the promontory and are two triangular flat surfaces

22
Q

superior aperture

A

aka pelvic inlet

23
Q

first coccygeal vertebrae

A

is commonly not fused or incompletely fused with SIV

24
Q

coccygeal corune

A

a vertical process arising from the first coccyx verebtral, towards the sacrum

25
3 parts of the sternum
manubrium sterni, body, and xiphoid process
26
synchondrosis
immoveable joint and is between the xiphoid process and body of the sternum
27
ribs and sternum articulation
there are notches on the side of the sternum for articulation with the 2nd to 7th costal cartialges
28
xiphoid process function
divides the intra-sternal angle to left and right halves
29
what does atlas lack?
body, laminae, and pedicles
30
demi facets vs full facets
demi facts are on the sides of the bodies where the heads articulate and transverse processes serve as full facets
31
L vertebrae body
massive and kidney shaped
32
L vertebrae pedicles
are strong and directed posterolaterally
33
L vertebrae laminae
thick
34
L vertebral foramina
are large and triangular
35
L vertebrae transverse processes
long and slender
36
L vertebrae spinous process
short, flat, and quadrangular and projects backwards
37
L vertebrae accessory process
located at the base of the posterior surface of the transverse process
38
mammillary process
found at the posterior margin of the superior articular process of the L vertebrae
39
articular surfaces of the L vertebrae
superior ones face medially and inferior ones face laterally
40
what connects the xiphoid process and the body of the sternum, as well as the manubrium and the body of the sternum?
fibrocartilages synchondrosis joints
41
where do ribs articulate?
T vertebrae on the sides of their bodies (demi facets) and on the transverse processes (full facets)
42
why does the sacral hiatus form?
because S5, and sometimes S4, fail to meet in the middle, forming this gap
43
what is the surface between the SI joint?
the auricular surface
44
what forms the sacral canal?
the sacral foramina