lp mg intestin subtire colon apendice 2016

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INTESTINULINTESTINUL

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INTESTINULINTESTINUL

22

INTESTINUL SUBINTESTINUL SUBŢŢIREIRESe intinde de la pilorla valvula ileo-Se intinde de la pilorla valvula ileo-cecalacecala

-6-9 m : -duoden -!-"# cm-6-9 m : -duoden -!-"# cm  -$e$un -%! m-$e$un -%! m

  - ileon -"%! m- ileon -"%! m

Tunica mucoa&Tunica mucoa&'' Tunica &u(mucoa&Tunica &u(mucoa&''  Tunica mu&cular Tunica mu&cular ''  Tunica &eroa&Tunica &eroa&''

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INTESTINUL SUBŢIRE

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ORGANIZAREA PERETELUI INTESTINULUISUBŢIRE

Tunica mucoa&'  - Epiteliu de suprafaţă şi

glandular 

  - Corion (lamina propria)

  - Musculara mucoasei 

 Tunica &u(mucoa&'  Tunica mu&cular'  Tunica &eroa&'

)i*+ ,e$un

seroasa

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Ileon- pl'cie.er  ,e$un

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77

I+ /U0O1S1I+ /U0O1S1

2ilo3it'4ile inte&tinale2ilo3it'4ile inte&tinale  Ax conjunctiv Ax conjunctiv cucu fibr !u"cu#$rfibr !u"cu#$rnt%& c$'i#$rnt%& c$'i#$r

"$n(uin )i"$n(uin )i#i!f$tic*#i!f$tic* c5ilierulc5ilierulcentralcentral

E'it#iu# %E'it#iu# %"u'r$f$+,"u'r$f$+,

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/ucoa&a/ucoa&a

22./ %in (ro"i!$ 'rt#ui./ %in (ro"i!$ 'rt#ui01./vi#o3it01./vi#o3it,+,+i4i4

Epiteliu de &upraa4'7i epiteliu *landular  

0orion

/u&culara mucoa&ei

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1515

 A. Epiteliul de suprafaţă A. E  piteliul de suprafaţă  Aco'r, vi#o3it,+i# Aco'r, vi#o3it,+i# Simplu cilindric polimor Simplu cilindric polimor  **

6 EnterociteEnterocite6 0elule caliciorme0elule caliciorme 8muc8mucoa&oa&ee

6 0elule0elule enteroenteroendocrineendocrine6 0elule /0elule /6 0elule cu caveole0elule cu caveole 

6 0elule0elule mi*ratemi*rate6 0elule &tem0elule &tem 88nedierennedieren44iate%iate% de nlocuirede nlocuire

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1111

EntrocitEntrocit##

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1/1/

#u## c$#icifor! 0!uco$"4#u## c$#icifor! 0!uco$"4

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2ilo3itate inte&tinal' ; 0elule caliciorme - <E

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8i#o3it,+i int"tin$# - #u# !i(r$t 0#i!focit4

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1717

EpiteliulE  piteliulglandular glandular 

9or!$3,9or!$3,((#$n%##$n%#

int"tinu#ui-int"tinu#ui-criptecripteLieberk Lieberk   !n!n

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1:1:

#u# P$nt;#u# P$nt;

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11

0orionul0orionul

 9or!$39or!$3,, $xu#$xu#vi#o3itvi#o3it,+,+i#ori#or )i)i ocu'ocu',, "'$"'$++iu#iu#

%intr (#$n%%intr (#$n%

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2525

P#P#,,ci P<r ci P<r 

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ILEON

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ILEON

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2=2=

/u&culara mucoa&ei/u&culara mucoa&ei

99

ibr !u"cu#$ribr !u"cu#$r

nt%nt%** ""tr$ttr$t internintern

circular circular  )i)i externextern

longitudinal longitudinal 

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2>2>

II+II+ TUNI01TUNI01

SUB/U0O1SSUB/U0O1S== Ţ"ut conjunctivŢ"ut conjunctiv cucuun bo($t '#xun bo($t '#xv$"cu#$rv$"cu#$r ))i #i!f$tici #i!f$tic

Inrv$Inrv$++i$ -i$ - ple>ulple>ul/ei&&ner /ei&&ner 

0on4ine:0on4ine:

)olic)oliculi limoi3iuli limoi3i Glandele Br Glandele Br ??nner nner 

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?UO?EN

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2727

GlandeleGlandeleBr Br ??nner nner 

G#$n% tubu#oG#$n% tubu#o --$cino$" 'utrnic$cino$" 'utrnicr$!ific$tr$!ific$t

6  Acini !uco)i Acini !uco)i6 ?uct xcrtor #un(?uct xcrtor #un( --

cri't Libr@cri't Libr@;n;n

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2:2:

III+III+ TUNI01 /US0UL1RTUNI01 /US0UL1R== 9ibr !u"cu#$r nt%9ibr !u"cu#$r nt%

6 Str$t intrn - circu#$r Str$t intrn - circu#$r 6  Str$t xtrn - #on(itu%in$#Str$t xtrn - #on(itu%in$#

P#x nrvo" Aurb$c;P#x nrvo" Aurb$c;

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22

I2+ SI2+ SERO1S1 ERITONE1LERO1S1 ERITONE1L== 3ot#iu3ot#iu 00xc'+ixc'+i* $ 2-$* $ 2-$ ))i $ /-$ '$rt $ %uo%nu#ui c$ri $ /-$ '$rt $ %uo%nu#ui c$r

'r3int'r3int,, 1@2ENTIŢIE1@2ENTIŢIE44  Ţ"ut conjunctiv "ub!3ot#i$#Ţ"ut conjunctiv "ub!3ot#i$#

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/5/5

@UO@ENUL@UO@ENUL

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/1/1

,E,UNUL,E,UNUL

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/2/2

ILEONULILEONUL

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INTESTINULINTESTINUL

GROSGROS

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/=/=

Structur$ ;i"to#o(ic,Structur$ ;i"to#o(ic, Tunica mTunica mucoa&'ucoa&'**

epiteliu deepiteliu deacoperireacoperire 

epiteliu glandular epiteliu glandular 

corioncorion muscularamusculara

mucoasei mucoasei 

Tunica &Tunica &u(mucoa&'u(mucoa&'

Tunica mu&cular Tunica mu&cular ''  1dventi4ie1dventi4ie )i)i

&eroa&'&eroa&' peritoneal'peritoneal'

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o#on - "c+iun tr$n"vr"$#,

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/C/C

o#ono#on - "- "c+iun tr$n"vr"$#,c+iun tr$n"vr"$#,

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/7/7

I+ TUNI01 /U0O1S=I+ TUNI01 /U0O1S=  Epiteliul de acoperireEpiteliul de acoperire

R%u" %$tD %n"it,+ii !$ri $ cri't#or Libr@R%u" %$tD %n"it,+ii !$ri $ cri't#or Libr@;n;n on+in*on+in*

6 Celule absorbante "nalteCelule absorbante "nalte& cu '#$tou "tri$t& cu '#$tou "tri$t

6 Celule caliciformeCelule caliciforme n nu!,r !$r n nu!,r !$r

Epiteliul glandular Epiteliul glandular 

ri't Libr@ri't Libr@;n fo$rt nu!ro$"&;n fo$rt nu!ro$"&fără celulefără celule

PanethPaneth 

6 #u# c$#icifor! nu!ro$"#u# c$#icifor! nu!ro$"

6 #u# ntron%ocrin 0APU?4-#u# ntron%ocrin 0APU?4- serotoninăserotonină

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/:/:

I+I+ TUNI01TUNI01/U0O1S=/U0O1S=

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//

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=5=5

E'it#iu# % $co'rir )i (#$n%u#$r E'it#iu# % $co'rir )i (#$n%u#$r -co#on-co# A#b$"tru $#ci$n.v$n Gi"on-co#on-co# A#b$"tru $#ci$n.v$n Gi"on 

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=1=1

Corionul Corionul 

 MuscularaMuscularamucoasei mucoasei  

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====

II+ TUNI01II+ TUNI01SUB/U0O1S=SUB/U0O1S= 

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=C=C

III+ TUNI01III+ TUNI01/US0UL1R=/US0UL1R= 

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=7=7

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=:=:

I2+ TUNI01 EATERN=I2+ TUNI01 EATERN=

 Ad#entiţie Ad#entiţie o#on $"cn%nto#on $"cn%nt o#on %"cn%nto#on %"cn%nt RctRct

$eroasa$eroasa peritoneală peritoneală cu#cu# R"tu# co#onu#uiR"tu# co#onu#ui

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==

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 APEN?IELE ILEOEAL

?ivrticu# $# ccu#ui Lu!n n(u"t&

nr(u#$t& 'rt"ub+ir - 'rfor$3,cu u)urin+,

Structur$ ;i"to#o(ic, $ $'n%ic#ui T i '

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Tunica mucoa&' Epiteliu de suprafaţă Epiteliu glandular * glande scurte şi rareF 'r%o!in, celulele endocrine 

0tu - c$rcino! $'n%icu#$r4

Corion Musculara mucoasei -  !$"c$t,

Tunica &u(mucoa&' foliculi limfoi%i  = dg de organ! 

Tunica mu&cular' - continu, )i "ub+ir

Seroa&a peritoneal'

APEN?IELEAPEN?IELE

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 APEN?IELE APEN?IELE

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 A'n%ic#* A'n%ic#* %i$(no"ticu# % or($n%i$(no"ticu# % or($n

/ucoa&a/ucoa&a** (#$n% r$r )i "curt(#$n% r$r )i "curt !u"cu#$r$ !uco$"i!u"cu#$r$ !uco$"i

 ntrru't, ntrru't, Su(mucoa&aSu(mucoa&a**

'r3n+$ fo#icu#i#or L<'r3n+$ fo#icu#i#or L<!$ri!$ri

Tunica mu&cular'Tunica mu&cular'"t continu,"t continu,

>/

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A'n%ic# i#oA'n%ic# i#o cc$#cc$#

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 A'n%ic# i#o A'n%ic# i#o--cc$#cc$#

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>7>7

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