Chimia sistemelor deschise biologice. Metabolismul..ppt
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Transcript of Chimia sistemelor deschise biologice. Metabolismul..ppt
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Cuprins
1.Teoria sistemelor deschise2.Metabolism Definitie Clasificare Tipuri de reactii metabolice Rata metabolica de baza Conversia energiei in reactii biochimice3. Analize clinice de fluide biologice Sange Urina Lichidul cefalorahidian Saliva
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1.TEORIA SISTEMELOR DESCHISE1.TEORIA SISTEMELOR DESCHISE
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2.METABOLISM2.METABOLISM
•Catabolism
•Anabolism
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TIPURI DE REACTII METABOLICE
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La om, metabolismul începe odată cu ingestia alimentelorşi sfârşeşte cu excreţia produşilor neutilizabili.El se desfăşoară în trei etape: digestivă celulară excretorie Legătura dintre aceste etape o asigură sângele şi circulaţia acestuia.In termenii cei mai simpli, metabolismul reprezintaritmul in care corpul consuma energia, iar acesta este diferit de la o persoana la alta.
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Rata metabolica de baza
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5 lucruri care trebuie stiute despre BMR
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Conversia energiei in reactii biochimice
Exemple: conversia zaharului sanguin in energie efectele testosteronului asupra dezvoltarii celulelor musculare producerea impulsurilor nervoase.
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3.Analize clinice de fluide biologice
Fluide biologice:
SangeUrinaLichid cefalorahidianSalivaSucuri digestiveLichid pleuralLichid amniotic
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Sângele
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Urina Urina este un lichid secretat de catre nefroni (unitati functionale ale rinichiului), care se scurge pe caile urinare excretorii (calice, bazinete, uretere) si se acumuleaza in vezica inainte de a fi evacuata prin uretra.
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Lichidul cefalorahidian
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Saliva
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