Éléments traces Flashcards

1
Q

Quantité fer réserves

A

2 à 4 g (3 clous de 4 cm)

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2
Q

Réserves fer homme

A

50 mg/kg

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3
Q

Réserves fer femme

A

38 mg/kg

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4
Q

Causes qté totale de fer plus élevée chez les hommes que les femmes

A
  1. Plus de masse musculaire
  2. Plus d’hémoglobine
  3. Plus de réserves (pertes menstruelles chez les femmes)
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5
Q

Distribution réserves corporelles en fer

A

Hémoglobine
Myoglobine
Enzymes
Entreposage (foie, rate, moelle osseuse)
Transferrine

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6
Q

Distribution fer hémoglobine (sang)

A

65-70%

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7
Q

Distribution fer myoglobine (muscles)

A

jusqu’à 10%

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8
Q

Distribution fer enzymes

A

héminiques, non héminiques, cytochromes cycle respiratoire
1-5%

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9
Q

Distribution fer entreposage

A

Foie, rate moelle osseuse, autres tissus
0,1%

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