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Zusammenfassung Thema Lunge
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Zusammenfassung aus Vorlesungen und Büchern im Fach Anatomie zum Thema Lunge.
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Sauerstoffdiffusion1. Ficksche Diffusionsgesetz
= Berechnung d. Diffusionsfähigkeit d. menschlichen Lunge
- legt Teilchenstromdichte fest
—> Lungenparenchym: Oberflächenvergrößerung Alveolen
- Septumwand mit Kapillaren
je größer desto besser beste Effizienz d.
Unge
je dünner desto besser
Lungenparenchym
- in Alveolarseptum liegen Kapillare
- besitzen Diffusionsbarriere
> Blut- Luft- Schranke
Lunge
- Größe: Volumen 1,5L (re.) + 1,4L (li.)
- Gewicht: ca. 800g
- Flächen: - Fascies costalis
- Fascies diaphragmatica
- Fascies mediastinalis
- Fascies interlobaris
- Ränder: Margo anterior + inferior
- besteht aus 2 Lungenflügeln; unterteilt in Lungenlappen > Segmente
- Fkt.: - luftleitende Bronchialsystem
- gasaustauschende Alveolen (480Mio.)
(- pH- Regulation)
Blut- Luft- Schranke (Alveolarmembran):
= Diffusionsstrecke zw. Atemluft + Blut, über d. Gasaustausch v. Sauerstoff + CO2
in Lunge stattfindet
- dünne Wände für optimalen Gasaustausch
- Lungengewebe besteht aus Bronchial-& Alveolarbaum
—> dazw. Bindegewebe mit Blut-+ Lymphgefäßen .
ernen
Lungenseiten erkennen
-
-Durchtrittsstellen Zwerchfell
-
Unterschied Bronchiolit
Bronchi
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