Biologia celulara a neuronului
Transcript of Biologia celulara a neuronului
![Page 1: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/1.jpg)
Biologia celulara a
neuronului
![Page 2: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/2.jpg)
Transcrierea genica
![Page 3: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/3.jpg)
Splicing alternativ
![Page 4: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/4.jpg)
Sinteza proteica
![Page 5: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/5.jpg)
Maturarea proteinelor membranare – RE si complexul Golgi
![Page 6: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/6.jpg)
![Page 7: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/7.jpg)
Transport axonal anterograd
![Page 8: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/8.jpg)
I. Structura membranei; Transportul ionic transmembranar: canale, pompe,
transportori
![Page 9: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/9.jpg)
Structura membranei plasmatice
![Page 10: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/10.jpg)
Funcțiile proteinelor membranare
Membrana conține proteine transmembranare, și proteine
membranare periferice. Proteinele pot avea funcții diferite:
transportori, de ancorare, receptori, enzime, etc
![Page 11: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/11.jpg)
Transportul ionic transmembranar
![Page 12: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/12.jpg)
Difuzie simpla
![Page 13: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/13.jpg)
Difuzie facilitata
![Page 14: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/14.jpg)
Canal ionic – proteina transmembranara oligomerica
![Page 15: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/15.jpg)
![Page 16: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/16.jpg)
Transportorul pentru glucoză - modelul “ping pong”
![Page 17: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/17.jpg)
ATPaza de sodiu și potasiu (pompa de sodiu)
![Page 18: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/18.jpg)
ATPaza de sodiu și potasiu (pompa de sodiu)
![Page 19: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/19.jpg)
Transportul activ secundar (co-transport)
![Page 20: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/20.jpg)
Transportul activ secundar (co-transport)
![Page 21: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/21.jpg)
II. Potenţialul de repaus
![Page 22: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/22.jpg)
Potentialul de repaus transmembranar
![Page 23: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/23.jpg)
Distributia asimetrica a ionilor fiziologici
![Page 24: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/24.jpg)
Permeabilitatea seleciva a membranei celulare
![Page 25: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/25.jpg)
Generarea potenţialului de repaus
![Page 26: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/26.jpg)
![Page 27: Biologia celulara a neuronului](https://reader033.fdocumente.com/reader033/viewer/2022050901/5892eca01a28abc1698b9eb5/html5/thumbnails/27.jpg)
ATPaza de Na si K