Anatomi - Dinding Abdomen

57
Muh. Ihwan Narwanto

Transcript of Anatomi - Dinding Abdomen

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Muh. Ihwan Narwanto

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Learning objektif :

• Dinding abdomen- dinding anterolateral- dinding posterior

• Viscera abdomen- regio abdomen- organ intra peritoneal- organ retroperitoneal

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Dinding ventrolateral• Kulit• Fascia subcutan : fascia camper, fascia scarpa• Musculer

m.obliqus externus abdominism.obliqus internus abdominis m.transversus abdominism.rectus abdominism.pyramidalis

• Fascia transversa abdominalis• Peritoneum parietale

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Fascia superficialis ( camper)Fascia profunda (scarpa)

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m. Obliquus externus abdominis

• Origo : 8 costae terbawah

• Insertio : crista iliaca, linea alba

• Innervasi : n. Intercostalis 7-12

• Aponeurosis : fascia spermatica externa, lig.inguinalislamina ant vagina recti

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m. Obliquus internus abdominis• Origo : crista iliaca,

fascia thoracolumbal

• Insertio: 3 costa terbawah, linea alba

• Innervasi :n.intercostalis 7-12

• Aponeurosis :lamina ant et post vagina m.rectifascia cremaster

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m. Tranversus abdominis

• Origo: fascia thoracolumbal, crista iliaca

• Insertio: linea alba• Innervasi :n.intercostalis

7-12• Aponeurosis:

lamina post vagina m.recti

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m.Rectus abdominis

• Origo: sympisis pubis• Insertio :

proc.xyphoideus• Innervasi:

intercostalis7-12

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Vagina m. recti abdominis

• Garis tepi lat m.rectus : linea semilunaris (spigel),

• Garis medioanterior (raphe) : linea alba

• Dibentuk oleh aponeurosis 3 musculi

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• lamina anterior 2/3 atas : aponeurosis m.oae, m.oai1/3 bwh : aponeurosis m.oae, m.oai, m. t.a

• lamina posterior2/3 atas : aponeurosis m.oai, m.ta.

• tepibebas:linea arcuata(semicirsular/douglasi)

• Berisi: m.rectus, vasa epigastrica,m.pyramidal

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Vascularisasi & innervasi

• Cab. A. femoralis, a. epigastrica sup et inf, a. intercostalis, a. lumbalis,

• V. saphena magnav. femoralis, v.paraumbilicalisv.porta, v.thoracoepigastricav.axillaris

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• Nn.intercostalis VII-XII, n,iliohypogastricus, n.ilioinguinalis

• Lnn. Axilaris superficialis, lnn. subinguinalis superficialis

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Canalis inguinalis & funiculus spermaticus

• Celah, dinding ventrolat, serong, annulus inguinalis preperitoneal- subcutaneus.

• Berisi funiculus spermaticus ( wanita :lig teres uteri), n. ilioinguinalis.

• Funiculus spermaticus: jar.ikat preperitoneal mulai annulus preperitoneal s/d polus cranial testis.

• berisi ductus deferen, a.testicularis, plexus pampiniformis, saraf dan limfe

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• 3 lapis pembungkus funiculus : fascia spermatica interna, fascia cremasterica, fascia spermatica externa.

• Hernia abdominalis: umbilicus, linea alba, trigonum lumbolis, inguinalis.

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• Anulus inguinalis interna/preperitoneal

-pertengahan lig.inguinal-lat.vasa epigastrica inf-dibatasi :m.transversus

abdominis, refleksi fasc. Tranversus abdominis

• Anulus inguinalis externa/ subcutaneus

-celah pada aponeurosis m.obliquus externus abdominis

-subcutan, cranial tuberculum pubicum

-dibatasi : bagian aponeurosis obliquus externus

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Dinding abdomen posterior

• Dibentuk :corpus dan discus intervert VL1-5m. psoas minorm.psoas majorm. iliacusm. quadratus lumborumotot-otot diafragma

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m. Psoas mayor et minor

• Origo : Vert. Th XII, L1-5 vert. Th XII, L1

• Insertio: throchanter minor linea arcuata

• Inervasi :n. lumbalis

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m. Quadratus lumborum

• Origo : crista iliaca• Insertio : proc.

Ttranversus vert. L1-4• Innervasi : n. lumbalis

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m. iliacus

• Origo : fossa iliaca• Insertio: trochanter

minor• Innervasi : n. femoralis

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Saraf-saraf pd dinding dorsal

Plexus lumbalis terletak dorsal m. psoas major Dibentuk oleh R.ventralis n.lumbalis 1-4 Cabang :r. Muscularis n. Iliohypogastricusn. Ilioinguinalis n. Genitofemoralisn. Cutaneus femoris lateralis n. Femoralisn. Obturatorius

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Aorta abdominalis

• Mulai Vert T XII – L IV, kiri linea mediana.• Mempercabangkan :

A. Mesenterica superior. A.coeliacaA. Mesenterica inferior A. RenalisA. Testicularis/ovarica A. LumbalisA. Sacralis media A. Iliaca comunisA. Suprarenalis media A. Phrenica inferior

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Aorta abdominalis

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Vena cava inferior

• Mulai vert L 4,5 s/d attrium dextra, kanan lin.mediana

• Dimuarai oleh :V. Phrenica inf dex v.lumbalisv. Hepatica v. Renalisv. Suprarenalis dex v. Testicularis/ovarica dexv.Phrenico inf sin v.suprarenalis sinv.Suprarenalis sin, v.ovarica sin v.renalis sinv.Sacralis media v.iliaca comunis sin

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Vena cava inferior

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Peritoneum

Peritoneum parietale: membatasi ddg abdomen et pelvis

Peritoneum viscerale : meliputi organ-organ Struktur khusus :MesenteriumOmentum majus et minusLigamentum peritoneale

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Cavum peritonealGreter sac Lesser sac (bursa

omentalis)

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• Innervasi peritoneum parietale:-n.thoracalis 7-12-n.lumbalis 1-n.phrenicus-n.obturatoriusPeritoneum viscerale-aferen otonom

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Intra peritonealretroperitoneal

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Organ retroperitoneal

• Terletak dibelakang rongga peritoneal

-pancreas-duodenum-colon ascenden-colon descenden-ren-ureter-aorta et v.cava inferior

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Regio abdomen

4 quadran

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9 regio abdomen• Grs vertikal : pertengahan

SIAS dgn symphisis pubis• Grs horisontal :-Bidang subcostalis (costaX /

Vert L3)-bidang intertubercularis (vert

L5) 1. Regio epigastrica

2. Regio umbilicalis

3. Regio hypogastrica

4. Regio hypochondriaca

5. Regio lumbalis

6. Regio iliaca

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viscera abdomen

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