K1 K2 AO Form. Reticularis & Sist Limbik, Rev[1]

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Transcript of K1 K2 AO Form. Reticularis & Sist Limbik, Rev[1]

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Formatio Reticularis &

Sistem Limbik

DEPARTEMEN ANATOMI

FK USU

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FORMATIO

RETIKULARIS

Baia! "ari brai!stem #

mem$e!aru%i ba!#ak

u!si tubu% ' siklus ti"ur(ba!u!) ti!kat kesa"ara!)

%abitual) car"io*ascular 

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+aras asce!"e!s multi$le # memba,a

i!ormasi se!sorik ke $usat # lebi%

ti!i "i%a!tarka! melalui ormatioretikularis mem$ro#eksika!

i!ormasi i!i keberbaai baia!

corte- cerebri

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Formatio Reticularis

+ari! #a! membe!ta! se$a!.a!

sumbu susu!a! sara $usat "ari

me"ulla s$i!alis sam$ai cerebrum

Meru$aka! a!#ama! sel serabut sara

#a! ber%ubu!a! terletak mulai

"alam me"ula s$i!alis) me"ula

oblo!ata) $o!s) mese!ce$%alo!)subt%alamus) %i$ot%alamus &

t%alamus

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Formatio Reticularis

columna mediana

(berisi neuron sedang)Columna medialis

(berisi neuron besar)

Columna lateralis

(berisi neuron kecil)

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Pro#eksi Aere!

Me"ulla s$i!alis' traktus s$i!oreticularis)s$i!ot%alamicus & lem!iscus me"ialis

Nuklei sara cra!ial' traktus aere!

ase!"e! /.aras *estibular) akustik &*isual0

1erebellum' .aras cerebelloreticularis

Subt%alamus) %i$ot%alamus) t%alamus)cor$us striatum) sistem limbik corte-motorik & se!sorik $rimer' ter"a$attraktus aere! lai!

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Pro#eksi Eere!

+aras membe!ta! sam$ai me"ula

oblo!ata & me"ulla s$i!alis' tractus

reticulobulbaris & reticulos$i!alis /ke i!ti

motorik sara cra!ial & sel cor!u a!teriorme"ula s$i!alis0

+aras lai! ke sim$atis & $arasim$atis)

cor$us striatum) cerebellum) !ucleus ruber)

substa!sia !ira) tectum) i!ti t%alamus)subt%alamus & %i$ot%alamus) & corte-

cerebri

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Formatio reticularis

Reticulos$i!alis &

reticulobulbaris2estibulos$i!alis

To!us otot)

akti*itas releks)

i!%ibisi reci$rocal

Mem$erta%a! to!us

otot a!ti ra*itasi

Sim$atis &

$arasim$atis

I!ti %i$ot%alamicus

Me!atur e!"okri!)

ritme biolois

 Akti*asi reticular

ke $usat lebi% ti!i

Ko!"isi ba!u!

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SISTEM LIMBIK

3 sistem i!teral bai akti*itas(akti*itas

#a! ' ese!sial u!tuk $erta%a!a! "iri)

s$t ' ee"i! / maka!0 ) i%t /berkela%i0)

li%t /melarika! "iri0 "a! re$ro"uksi

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Sistem Limbik

Limbik 3 limbus 3 $i!ir 

4#rus subcallosus) #rus ci!uli) #rus

$ara%i$$ocam$alis) ormatio

%i$$ocam$i) !ucleus am#"ala) cor$us

mammilare) "a! !ucleus a!terior talami

+aras $e!%ubu! sistem i!i' al*eus)

imbria) or!i-) traktusmammilot%alamicus & stria termi!alis

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Formatio 5i$$ocam$i

5i$$ocam$us) $es %i$$ocam$us)

al*eus) imbria) #rus "e!tatus)

i!"usium riseum) striae

lo!itu"i!alis me"ialis "a! lateral)"a! u!cus

5i l i b t i i

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5i$$ocam$us ' ele*asi substa!sia risea#a! mele!ku! & terbe!ta! "i seluru%$a!.a! "asar cor!u i!erior *e!trikulus

lateralis) berak%ir "i $osterior "i ba,a%s$le!ium cor$us callosum

Pes %i$$ocam$us ' u.u! a!terior

%i$$ocam$us #a! membesar  Al*eus ' la$isa! ti$is substa!sia alba "iba,a% e$e!"ima *e!trikel lateral 6serabut sara berasal "ari %i$$ocam$us)

"ibaia! me"ial berkum$ul membe!tulberkas 6 imbria 6 berla!.ut membe!tukcrus or!icis

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4#rus "e!tatus ' $ita substa!sia risea)bertakik) "ia!tara imbria %i$$ocam$us &

#rus $ara%i$$ocam$alis) "i $osteriorme!#ambu! "e!a! i!"usium risum)"i a!terior masuk ke u!cus

I!"usium riseum ' la$isa! substa!siarisea #a! mela$isi $ermukaa!su$erior cor$us calosum7

Permukaa! su$erior terta!am serabut$uti%) #aitu striae lo!itu"i!alis me"ialis& lateralis

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4#rus $ara%i$$ocam$alis ' "ia!tara

issura %i$$ocam$i & sulcus colateral

& bersambu! "e!a! %i$$ocam$us

"i se$a!.a! te$i me"ial lobustem$oralis

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Nukleus Am#"ala

 Am#"ala 3 s$t bua% almo!"

 Am#"ala berusi "e!a! u.u! cau"a

!uckleus cau"atus7

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+aras $e!%ubu! sistem limbik

 Al*eus' berasal "ari corte-

%i$$ocam$us 6 membe!tuk berkas

imbria 6 crus or!icis

For!i- kiri & ka!a! "i%ubu!ka! ole%

commisura or!icis

1or$us or!icis "i%ubu!ka! "e!a!

cor$us calosum ole% se$tum

$elluci"um

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Tractus mammilot%alamicus

$e!%ubu! cor$us mammilare "!

kelom$ok i!ti t%alamus a!terior 

Striae termi!alis ' me!ikuti

le!ku!a! !ukleus cau"atus

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5ubu!a! Aere! 5i$$ocam$us

87 Dari #rus ci!uli 6 %i$$ocam$us

97 Dari !ukleus se$talis:i!ti "ekatcommisura a!terior 6 %i$$ocam$us

;7 Serabut me!#ebera! a!tara%i$$ocam$us melalui commisura or!icis

<7 Striae lo!itu"i!alis 6 %i$$ocam$us

=7 Dari area e!tor%i!al:corte- asosiasi

olaktorius 6 %i$$ocam$us>7 Dari #rus "e!tatus & #rus

$ara%i$$ocam$alis 6 %i$$ocam$us

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5ubu!a! Eere! 5i$$ocam$us

  Akso! sel $irami"al %i$$ocam$us membe!tukal*eus & imbria 6 or!i- 6 ke '

87 1ommisura a!terior) cor$us mammilare &!ukleus me"ialis

97 1ommisura a!terior 6 !ukleus a!terior t%alami;7 1ommisura a!terior 6 teme!tum

mesce!ce$%ali

<7 1ommisura a!terior 6 !uklei se$talis) area$reo$tica lateralis) & baia! a!terior

%i$ot%alamus=7 Serabut berabu! "e!a! striae me"ullaris

t%alami 6 !ukleus %abe!ularis

5i$ot%alamus 6 salura! keluar utama sistim limbik

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Fu!si Sistim Limbik

Melalui %ubu!a! %i$ot%alamus "e!a!

sistem e!"okri! 6 mem$e!aru%i as$ek

emosi' takut) mara%) $erilaku seksual

5i$ocam$us berkaita! "e!a! memoribaru 6 .a!ka $a!.a!7

Lesi $" %i$ot%alamus 6 t"k "a$at

me!#im$a! memori .a!ka $a!.a!) ta$i

#a! lalu sebelum timbul lesi ti"ak

ter$e!aru% 6 am!esia a!terora"

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