supethoracic THORACIC WALL
a perture Clavicle
1
Ribs p
demifacet
between and ribs
To . g
(True ribs) Sternal end
lufethoracic aperture
1-7 ribs
( sharp
inferior
(T9)
ribs
false
8-10
:
11-12 :
floating
Atypical Ribs Thoracic Vertebrae
- No costal groove
- flat
ener
T1
Not applied for
- 1st 10-12th ribs
,
I have I facet
- short & broad
supe facet : T&
lufe facet : T5
*
rough
-
~ only 1 articular
facet
S
(10-12 ribs)
No articulation
Short to sternum
=>
Joints Post Aut
①
zygapophysial
(join supe
disc
infe facets
:
manubrium
Sternum
+ sternum + costal cartilage
of true ribs
rib + costal cartilage
rib head + vertebral body
&
③
xiphoid process
rib tubercle + vertebral transverse process + Sternum
, Muscles of Thoracic wall
1 .
dd
Ext. Intercosta m.
1 .
replace . Intercostal m.
anteriorly . Int
2
↑
forward
↑
elevate ribs
d
downward
...
(forced inspire
dd
backward
downward
Int .
intercostal (forced respiration (
membrane A Interosseous part -
bones
posteriorly 7 depress ribs d
Abdomen Creplace
.
C Interchondral part-cartilages
& elevate ribs &
Innermost intercostal m
.
3 thoracic
.
.
4 Transversus m .
1 Interosseous part
L
depress ribs &
weekly depress
& ribs
&
w/inner continuous
between
Inner &
Innermost
~
intercostal
n .
& VV
.
& a
Innermost
layer
S
5
. Subcostal m .
depress
ribs ↓
rib
cross 1
,
2 intercostal space
, btw internal
Intercostal nerves & innermost
ventral ramus
↓
Intercostal .
n
d L
.
2
1 Ant
Lat .
cutaneous
cutaneous
d ↳ S ↓
Post .
Ant med
. lat .
Intercostal arteries
-
① Ant & post Intercostal a
correspond w/ veins *
.
⑭
.
⑪
L Canastomosis
joined
#
② af
=>
single
come in pairs
& except. ribs 11th 12th
.
)
10-11 space
1 -
6
⑮
&
10th rib
7 -
9
Intercostal veins
M Lt. brachiocephalic v .
e
⑪
g
Rt .
brachiocephalic V &
3 2 -
&
:
same wa 2 - A 2 - 4
Supe Intercostal v .
⑳t
Lt .
Rt
&
.
5- G
& Accessory
5- S ① Azygos V .
↑
2- 11 , subcostal
& hemiazygos .
v
9 -
11
,
subcostal
② Hemiazygos
S
*A
G
~
↑
9 -
11
I
·
a perture Clavicle
1
Ribs p
demifacet
between and ribs
To . g
(True ribs) Sternal end
lufethoracic aperture
1-7 ribs
( sharp
inferior
(T9)
ribs
false
8-10
:
11-12 :
floating
Atypical Ribs Thoracic Vertebrae
- No costal groove
- flat
ener
T1
Not applied for
- 1st 10-12th ribs
,
I have I facet
- short & broad
supe facet : T&
lufe facet : T5
*
rough
-
~ only 1 articular
facet
S
(10-12 ribs)
No articulation
Short to sternum
=>
Joints Post Aut
①
zygapophysial
(join supe
disc
infe facets
:
manubrium
Sternum
+ sternum + costal cartilage
of true ribs
rib + costal cartilage
rib head + vertebral body
&
③
xiphoid process
rib tubercle + vertebral transverse process + Sternum
, Muscles of Thoracic wall
1 .
dd
Ext. Intercosta m.
1 .
replace . Intercostal m.
anteriorly . Int
2
↑
forward
↑
elevate ribs
d
downward
...
(forced inspire
dd
backward
downward
Int .
intercostal (forced respiration (
membrane A Interosseous part -
bones
posteriorly 7 depress ribs d
Abdomen Creplace
.
C Interchondral part-cartilages
& elevate ribs &
Innermost intercostal m
.
3 thoracic
.
.
4 Transversus m .
1 Interosseous part
L
depress ribs &
weekly depress
& ribs
&
w/inner continuous
between
Inner &
Innermost
~
intercostal
n .
& VV
.
& a
Innermost
layer
S
5
. Subcostal m .
depress
ribs ↓
rib
cross 1
,
2 intercostal space
, btw internal
Intercostal nerves & innermost
ventral ramus
↓
Intercostal .
n
d L
.
2
1 Ant
Lat .
cutaneous
cutaneous
d ↳ S ↓
Post .
Ant med
. lat .
Intercostal arteries
-
① Ant & post Intercostal a
correspond w/ veins *
.
⑭
.
⑪
L Canastomosis
joined
#
② af
=>
single
come in pairs
& except. ribs 11th 12th
.
)
10-11 space
1 -
6
⑮
&
10th rib
7 -
9
Intercostal veins
M Lt. brachiocephalic v .
e
⑪
g
Rt .
brachiocephalic V &
3 2 -
&
:
same wa 2 - A 2 - 4
Supe Intercostal v .
⑳t
Lt .
Rt
&
.
5- G
& Accessory
5- S ① Azygos V .
↑
2- 11 , subcostal
& hemiazygos .
v
9 -
11
,
subcostal
② Hemiazygos
S
*A
G
~
↑
9 -
11
I
·
