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Sensasi somatik sensasi Nyeri , Nyeri kepala dan sensasi suhu

Sensasi somatik sensasi Nyeri , Nyeri kepala dan sensasi suhu. Dr. Billy D. Messakh SpB. Klasifikasi indera somatik. indera somatik mekanoreseptif ( sensasi taktil dan posisi ) Indera termoreseptif ( sensasi panas dan dingin )

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Sensasi somatik sensasi Nyeri , Nyeri kepala dan sensasi suhu

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  1. SensasisomatiksensasiNyeri, Nyerikepaladansensasisuhu Dr. Billy D. Messakh SpB

  2. Klasifikasiinderasomatik • inderasomatikmekanoreseptif (sensasitaktildanposisi) • Inderatermoreseptif (sensasipanasdandingin) • Indera rasa nyeri (dirangsangolehfaktorygmerusakjaringan)

  3. Makna • Mekanismepertahantubuh, rasa nyeritimbulbilaadajaringanygrusak, haliniakanmenyebabkanindividubereaksidgnmemindahkan stimulus nyeri

  4. Macam da kualitas rasa nyeri • Macamnyaada 2 dikaitkandgnkerusakanjaringan 1. Nyericepat (V= 0,1 detik): rasa nyeritajam, tertusuk, nyeriakut, nyerielektrik 2. NyeriLambat (1 detik): rasa nyeriterbakar, nyeripegal, nyeriberdenyut-denyut, mual , kronik

  5. Reseptordanrangsangan • Reseptormerupakanujungsarafbebas • Tersebarluas di seluruhpermukaansuperfisialkulitdanjaringantertentumisalnyaperiosteum, dindingarteri, permukaansendi, falksdan tentorium tempurungkepala

  6. Tipe stimulus • Nyerimekanik, suhudankimiawi • nyericepatdiperolehmelaluirangsanganjenisnyerimekanisdanatausuhu • Nyerilambatdiperolehdariketigajenisrangsangan

  7. Zatkimiaygmerangsangjenisnyerikimiawi • Bradikinin • Serotonin • Histamin • Ion kalium • Asam • Asetilkolin • Enzimproteolitik

  8. Prostaglandin dansubstansia P berperandlmmeningkatkansensifitas ujung2 saraf

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