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"The mestiackinum is Ha omudiaw
ephom of ea Horace, Cavity He
feo pleural carthes
Yeon of all Hee viscera
Shuctiarey of the thoracit canly fy
heart andl ib qneat Hood varsels,
Desophagus trachea and prncft. broveli
Botta cnadienlteka yore on catha
excep! He lun
Y fe et oceuprty a canbe
Compartir f He fhovout cavily
sy ch Covorect on eifker sick by Me
rmediarhinc| pleura.
Boundares
finlerioy : Stexnum
Relenir Vertebral) column ( aches of
| Mert verfebrat and iloveray j
| tnlervertebral olde
raw * fopenier Porae aperhere
oe aeabert et
por) Diaphragm
fm each side» Mediashinal pleura.
Ss Devebpe! from primitive venkal andl
al mes cesephages
4 Mediashinur a nota sbhucloe
ye highly mobile ep tum becoe
sf prmanly of holler vic sal
bou!
Se pbie. Hesue vgn silat
-s Beloinl Hx body
Conknbs
Thar
2 Lise avd get wenels erclosed in
pericardial oblke a
& Ascending aorta , arch o aorta.
descanding aura wilh air branche,
& Tracheal bipircalion
s Lupenor vent cave
6. Arygos vein
1 Desopha gro
6 Therauc ic
fo Neural \shuckie, Buel a4 Aympsthehs
neve k phzewe nerve
q Lymph nol,
punk yng
Division
Med iashnum
pile two part
a) Supencr emechashinum
B) Onferor mechiashnum — by, id
horizontal plane exlencling
AS (ase ral en
is astfioally aivichdl
rr
‘no
m skeinol angle
1
> $n relabion “b pewicarclium and heart,
fhe inftmey mechasinum 4s furfhey
dividd into ts '
2 Antenoy
») Melle
D feskney
Middle meckashnum is wited subslysia
At Gaver 3 phurol sac ae
Cad Cas inprld “ache
f sternum
shomal argk “te 4" costal corkage° Ofpesk Te &« Tq Cescphagus Crssex
3) Arter
= a of descend aorfa , a Aehief posta
mediastinal pura of both sate come 1 Brachiocephabe avery
in oftesition bls Bam forrnnd 15) LefF common cork arkry
mero ccs ophaguy wy Lf eubclavian arleny
+ Thoroere vein occupy tha ral pad
Wicbscl end Ao Nee
Riyal 4 left backioce pholi Yuin
1) Upper hal f Supenoy Vena Cava
tiv) Left supenor intercostal vein
o bint ip teckel ard preverkbrS —w frch f o*yges
fo exkrd uplo Superor mecliastinum, rn
Hypo deer Ws abre- phonyeal £) Lymphor! orn & lymphers
‘ » Thymes
glistels ened ds mecldsknur
° Mechitshinal gr bulges more on
gt cide and compen mgd luna
1) Thereoie cluct
Aupesior Mechiashinuir a) Lymph ele
Bounclan 6 Dewes:
= 3 Phoerit neve [might aud eft)
Anlerir: Manulriim ‘Stent Dogo rene (gl avel Lt)
ae : en of upp 4 nae BD Left xecurrerif la ngod a
“Verbnne (oom) wit tang 35> Smpltche tink ane caret
. . mds panne che ia a hae
ee arkenos Hamad lng han gem ewes (ogi ae iy!)
PE ao cf porn Mek pono Fr te pfs of ereclon eo
Thoracic inlet ' borgery Ha mayor SIP of ha supeney
mediastinum axe arranged % He folleior)
orl: from antror ‘to pasknoy
Infenor : Franvore thom plone.
| lone ongle tft % lowes borden +}
| Ak bely of 4 Hherot verk bm —bekbt Thus
se On ech ech [lebal)- Mashed pur, Aube
Content es tel
DTrachen and Dessphages » Oerophagus aud! thovoer duch
| D Muscles + Origins of @ Stomchyo! spbyppete. dock a
ra ey al
7 longus colliInferior Mechisskruen
Fok th zelahin To porcarclvim
And heat
? Mnkenor
Midelle :
— Peslenor
Antenoy Mesliashnum
0 OF Above FF costal cov bl
IE very! nestons in on 9 pevterdin
2 bis booly of slernum anol
febrous pericarcliem
© Overlappecl by thin ankenor borders
7 both lungs
° D4 contains aredlar #esue and part
of tages gavel
+ Bib Conbinucus rough Ha Super
mechishin H, po
um both ths prcbachead space
of Hox meck
Bounclanes_
Anterior > Booly 25} Skerimisen
Poslenioy 1 Ritarcliom enclosiiy haart
ery» Fravavers Horace plane
Aepareks Auperor & ifr medioshinum
frjeror « buperin S00fae- of Laphragm
idle? Mediantinal pleuvon
On eock sii
Contents
an and ieferion shernopentardiod
+ Sure pic ckeanum & perierdlivm
NI enal lymph mod
+ febo cereal lymph cones (ae4)
ro Loose aerolay Hisue
y The lowest part of Pagers
“ prutiashnol bromckes of te
moll
Q oe) fhovact. artery
Me
Middle
Widest subdivion
Occupied by art anol pencarcliom
Jimvted on each sith by omedibahnal
euro
voip He phrenle
fis cenkenl slong
neve ard pertarchiophrenit: Ver
Bounclaries
Anleroy : Anlenor ™
Stemnoperte™
fosterioy » Postenoy rrudsashinurn »
Desophags 1 Ascending Hhovace oot,
Axyges ven
Aupe nor 1 Supenos med'ashinurm
Thfewer piophragm
Dn each stile’ Mediashinal pleura
Contents
1. Heart enclosed im penicarcliion
abrir
earl ljement
2 Arteries
BY Ascending
Hi pulmonary turk
42) two pulmonary ar
4 ae Porsivarcliophrerte axlivies
p lowe half of Bupenior vena cave
13) feuminal past of axygos Yer
ty) WA & left pulmonany vern
aorka
HD Deep cardiac ples
s Lymph rods : Frocheolronebsal nods
(Tubes © Bifurcahor of traches
cin Rake A LAP principal bre nchs
\
D> erssrseal ex