Systema nervorum ii ( pns & ans ) SEMESTER 2 kd 2 anatomy
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Transcript of Systema nervorum ii ( pns & ans ) SEMESTER 2 kd 2 anatomy
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Sistim Saraf Perifer
&
Sistim Saraf Otonom
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Sistim
Saraf Perifer
( PNS )
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PNS berada di
Nervi Craniales & Nervi Spinales
Tractus Corticobulbaris Nucleus
ke tepi lewat : Nn. Craniales ( PNS )
Tractus Pyramidalis
Tractus corticospinalis Medulla
spinalis ke tepi lewat :
Nn. Spinales ( PNS )
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SISTIM SARAF PERIFERAfferent ke CNS
Somatic NS
Efferent dari CNS
PNS
Afferent ke CNS
Visceral NS
Efferent dari CNS
( Sistim Saraf Otonom )
Sympathic Parasympathic
Susunan saraf ini berada dalam struktur Nn. Craniales &
Nn. Spinales !!
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SISTIM SOMATIK & VISERAL (1)
SOMATIC
AUTONOMIC (VISCERAL)
Truncus Sympathicus
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SISTIM SOMATIK & VISERAL (2)
Somatik
• Nama lain :
SS cerebrospinal
• Inervasi :
– Kulit
– Mukosa
– Otot bergaris
– Tendon
• Sifat : Volunter
Viseral
• Nama lain :
SS vegetatif /
splanchnic
• Inervasi :
– Visera
– Kelenjar
– Otot polos
– Pembuluh Darah
• Sifat : Involunter
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NERVUS SPINALIS
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Reflex Spinalis
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NERVI CRANIALESN I
N. Olfactorius Mucosa nasalis
Bulbus
olfactorius S Penciuman
N II
N. Opticus
Retina Mesenceph
S Penglihatan
N III
N.Oculomotorius Mesenceph
Otot ekstrinsik
mata (*) M
Gerakan bola mata (*)
Elevasi palpebra sup
Konstriksi pupil
N. IV
N. Trohlearis
Mesenceph M. Obl. Sup.
mata
M Gerak bola mata ke
laterocaudal
NV1 : Opthalmicus Dahi Pons S Sensoris dahi
N V2 :
N. maxillaris
Sekitar rahang
atas
Pons S Sensoris rahang atas
dan pipi
N. V3
N. mandibularis
• rahang bawah
• Pons
• Pons
• Otot kunyah
S
M
• sensoris rahang bawah
• motoris mengunyah
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N VI
N.Abducens
Pons M.Rectus
lateralis
M Gerak bola mata ke
lateral ( abduksi )
N VII
N.Facialis
• Taste buds
• Pons
• Pons
• gld/otot wajah
S
M
• Taste
• saliv/lakrima/mimik
N VIII
N. Vestibulcohlearis
• Cochlea
• Vestibul.
• Pons
• Pons/cerebell.
S • Pendengaran
• Keseimbangan
N IX
N. Glossopharyngeus
• 2/3dor.ling
• Med.Obl.
• Med.oblong.
• Gld.parotis
S
M
• Taste 2/3 dors.ling.
• Sekresi / mastikasi
N X
N. Vagus
• otot polos
resp/cor/GI
• Med.Obl.
• Med.oblong.
• Otot cor
S
M
• efek ANS pd. Cor,
bronchus, usus
• kontraksi otot cor
N XI
N. Accessorius
Med. Obl. Larynx, s.c.m,
trapezius
M • Produksi suara
• gerak kepala / bahu
N XII
N. Hypoglossus
Med. obl. Otot lidah M Gerak lidah bicara
dan menelan
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NUCLEUS Nn CRANIALES
N.Oculomotorius/III
N.Trigeminus/V N.Trochlearis/IV
N.Facialis/VII
N.vestibulotrochlearis/VIII
N.abducens/ VI
N.glossopharyngeus/IX
N.Hypoglossus/XII
N.Vagus / X
N.Accessorius / XI
Nc.Ruber
Nc.Edinger Westphal
Nc.Oculomotorius
Nc.saliv.sup&inf
Nc.tractus solitarius
Nc.dorsalis vagi
Nc.ambiquus
Nc.Ggl.trigeminus
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Sistim
Saraf Otonom
(ANS)
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SISTIM SARAF OTONOM ( ANS )
• Nama lain : Visceral efferent motor system
• Fungsi : Regulasi aktivitas organ viscera untuk
mempertahankan Homeostasis tubuh
• Karakteristik :
– Hanya motorik, untuk otot cor, otot polos
( viscera & Pembuluh Darah ) , kelenjar
– Impuls sensorik dari reseptor melewati neuron
aferen baik visceral maupun somatik
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Pembagian
• ANS Central ( Autonom Control Centers )
– lobus frontalis
– sistim limbic
– hipofisis
– hipothalamus Koordinator & Eksekutor
• ANS Perifer
– Sympathis Truncus Thoracolumbalis
( N.spinalis Th 1 s/d 12 & L 1,2,3 )
– Parasympathis Truncus Craniosacralis
( Cranio : Nc. N III, VII, IX, X , Sacral : S2,3,4 )
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LINTASAN DALAM ANS
Ggl. Paravertebralis Ggl.Prevertebralis Ggl. Terminalis
CNS Viscera/ Efektor
Truncus Symphaticus
Ganglion Symphatis Ganglion Parasympathis
A
N
S
C
E
N
T
R
A
L
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Ganglion & Plexus
• Ganglion :– Ganglion Paravertebralis ( Ggl. Lateralis )
» Truncus Sympathicus Sympathis
– Ganglion Prevertebralis ( Ggl. Collateralis )
» Ganglion Coeliacus, Ggl. Mesenterica superior, Ggl.Mesenterica inferior Sympathis
– Ganglion Terminalis ( ggl. Perifer )
» Parasympathis ( terutama GI tract & v.urinaria )
• Plexus :– Pl. cardiacus
– Pl. pulmonalis
– Pl. coeliacus
– Pl. hypogastricus
– Pl. entericus
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Organ Sympathis Parasympathis
Pupil Dilatasi Konstriksi
C o r Tachycardia Bradycardia
Bronchus Bronchodilatasi Bronchokonstriksi
Pemb. darah Vasokonstriksi Vasodilatasi
Kelenjar Hipersekresi Hiposekresi
M. Erector pili Kontr bulu roma Relaksasi
Dinding usus • Relaks peristaltik <
• Kontr.sphincter defekasi -
• Konst peristaltik >
• Rel.sphincter defekasi +
Vesica urinaria Relaks.detrusor / kontraksi
sphincter Mictie -
Kontr. Detrusor / relaksasi
sphincter mictie +
Genital Vasokonst c.cavernosus --
vena terbuka Ereksi -
Vasodil c.cavern ++
vena tertutup Ereksi +
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