1 / 15

CENTRAL NERVOUS SYSTEM

DIVISI AFEREN. CENTRAL NERVOUS SYSTEM. dr. mona amelia , mbiomed. Definisi. Sistem penerimaan impuls melalui Reseptor Akson Ganglion sensorik Cornu posterior Tractus spinothalamicus Corona radiata - Cortex cerebri , gyrus post centralis Persepsi. KASUS KHUSUS.

vidor
Télécharger la présentation

CENTRAL NERVOUS SYSTEM

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DIVISI AFEREN CENTRAL NERVOUS SYSTEM dr. monaamelia, mbiomed

  2. Definisi • Sistempenerimaanimpulsmelalui • Reseptor • Akson • Ganglion sensorik • Cornu posterior • Tractusspinothalamicus • Corona radiata - Cortex cerebri, gyrus post centralis • Persepsi

  3. KASUS KHUSUS • Beberapa organ sensorik  diferensiasi tingkat tinggi • ORGANON SENSES • Reseptor khusus (retina, utriculus, sacculus, vibrissae, tastebud, dst) • Ganglion  nucleus khusus intra cranial

  4. InervasiSensorikPerifer • Reseptor • Akson (serabut saraf perifer) • Ganglion sensorik • Neuron ordo 1

  5. InervasiSensorikSentral • Cornu posterior medulla spinalis (substansia grisea) • Tractus spinothalamicus (substansia alba) • Neuron ordo 2 • Thalamus • Corona radiata (substansia alba) • Cortex cerebri (substansia grisea) • Neuron ordo 3

  6. JARAS SENSORIK INFORMASI SENSORIK SADAR INFORMASI SENSORIKtak SADAR

  7. TIGA SISTEM SENSORIK SADAR • Lemniscus medialis – collumna dorsalis • Tractus anterolateral • Tractus trigeminal

  8. Lemniscusmedialis – collumnadorsalis • Fasciculus gracilis • Fasciculus cuneatus • diskriminasi raba, posisi sendi, getar/ vibrasi

  9. TractusAnterolateral • Tractus spinothalamicus anterior • Tractus spinothalamicus lateral • diferensiasi rasa raba, nyeri, suhu

  10. Tractus Trigeminal • Selain sensorik juga ada jaras motorik (tractus ascendens dan descendens sekaligus) • Hanya untuk daerah kepala • Sensorik yang diwakilinya adalah raba, suhu, dan nyeri • Getar, posisi, raba kasar  lemniscus medialis

  11. INFORMASI SENSORIK SADAR

  12. TIGA SISTEM SENSORIK TIDAK SADAR • Tidakmelalui thalamus • Informasiascendens/ afereninimenuntutresponsdescendens/ eferensegera • Sebagiankecilinformasitetapmasukkejalursadar lebih lama • Responlebihcepatdarikesadaran • JANGAN LUPA • Tractusascendensdandescendensadalahkontinuitas!!!

  13. INFORMASI SENSORIK TAK SADAR

  14. FORMATIO RETICULARIS • Pusat jaga, kesadaran, dan waspada • Pusat respirasi dan kardiovaskuler  MO • Pusat motorik terpadu (tractus cortico-reticulo-spinal)  pons • Sistem proyeksi ascendens (ARAS, Ascending Reticulare Activating System)  kewaspadaan • hubungan batang otak dengan cerebellum, keseimbangan

More Related