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Zusammenfassung LPE 10 - Blut - Ein ganz besonderer Saft

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Dies ist eine Zusammenfassung der LPE 10 "Blut" nach dem Lehrplan von Baden Württemberg für die Abiturjahrgänge bis 2023

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BLUT - EIN GANZ BESONDERER SAFT



LPE 10
Bestandteile des Blutes ...................................................................................................................................................................................................................................................................................................2

kleines Blutbild ..........................................................................................................................................................................................................................................................................................2

Großes Blutbild ..........................................................................................................................................................................................................................................................................................2

Aufgaben des Blutes .......................................................................................................................................................................................................................................................................................................2

Überblick ....................................................................................................................................................................................................................................................................................................2

Pu erung ....................................................................................................................................................................................................................................................................................................3

Bicarbonatpu er ..............................................................................................................................................................................................................................................................3

Hämatopoese ..................................................................................................................................................................................................................................................................................................................3

pluripotente Stammzellen ..........................................................................................................................................................................................................................................................................3

Di erenzierung im Überblick ....................................................................................................................................................................................................................................................................3

Erythropoese ..................................................................................................................................................................................................................................................................................................................4

Erythropoetin .............................................................................................................................................................................................................................................................................................4

Erythrozytenabbau .........................................................................................................................................................................................................................................................................................................4

Blutstillung (Hämostase) ...............................................................................................................................................................................................................................................................................................5

Blutgruppen ....................................................................................................................................................................................................................................................................................................................6

Rhesusfaktor...................................................................................................................................................................................................................................................................................................................6

Blutgruppenunverträglichkeit und Rhesusinkompatibilität am Beispiel Schwangerschaft .......................................................................................................................................................................7

Stammzellspende ............................................................................................................................................................................................................................................................................................................7

Anämie ...........................................................................................................................................................................................................................................................................................................................7




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, BESTANDTEILE DES BLUTES

• Blut entspricht Gemisch verschiedenster Bestandteile, die sich durch Zen-
trifugation in zwei Bereiche teilen lassen:
• Blutzellen: feste Bestandteile
• Blutplasma: üssige Bestandteile
• ( Blutserum: entsteht durch Entfernung der Gerinnungsfaktoren
aus dem Blutplasma )


KLEINES BLUTBILD


• gibt Zusammensetzung des Blutes im Moment wieder
• beschreibt Erythrozyten ( rote Blutkörperchen ) , Leukozyten ( weiße Blutkörperchen ) , Thrombozyten
( Blutplättchen )


GROßES BLUTBILD


• Di erenzierung der Leukozyten-Untergruppen
• neutrophiler Granulozyt ( 54-70% )
• eosinophiler Granulozyt ( 2-4% )
• basophiler Granulozyt ( 0-1% )
• Lymphozyt ( 2-6% )
• Monozyten ( 25-45% )




AUFGABEN DES BLUTES


ÜBERBLICK


• Transportfunktion
➡ Sauersto und Nährsto e zu Zellen; Abführung von Kohlendioxid und Sto wechselabbauprodukten
• Abwehrfunktion
➡ Antikörper und Abwehrzellen = Bekämpfung von Krankheitserregern; Erkennung von entarteten oder in zier-
ten körpereigenen Zellen
• Wärmeregulationsfunktion
➡ Konstanthaltung der Körpertemperatur durch Zirkulation
• Abdichtung von Gefäßdefekten
➡ Thrombozyten und Gerinnungsfaktoren
• Pu erfunktion
➡ Ausgleich der Schwankungen im PH-Wert des Blutes




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School year
1

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Uploaded on
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Number of pages
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Written in
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Type
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