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Hemoglobin Binding in Tissues & Lungs definitions

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Termini in questo insieme (15)

  • Hemoglobin
    Protein in red blood cells responsible for transporting oxygen, carbon dioxide, and protons between lungs and tissues.
  • Oxygen
    Molecule essential for cellular respiration, carried by hemoglobin from lungs to tissues and released where needed.
  • Carbon Dioxide
    Metabolic waste product transported by hemoglobin from tissues to lungs for exhalation; influences hemoglobin's affinity for oxygen.
  • Proton
    Hydrogen ion whose concentration affects blood pH and hemoglobin's oxygen binding and release.
  • T State
    Conformation of hemoglobin with low oxygen affinity, stabilized by high carbon dioxide and proton concentrations in tissues.
  • R State
    Conformation of hemoglobin with high oxygen affinity, favored in lungs where oxygen concentration is high and carbon dioxide is low.
  • Bohr Effect
    Phenomenon describing how increased carbon dioxide and decreased pH promote oxygen release from hemoglobin in tissues.
  • Myoglobin
    Muscle protein with higher oxygen affinity than hemoglobin, facilitating oxygen diffusion into muscle cells.
  • Carbonic Anhydrase
    Enzyme in red blood cells catalyzing conversion of carbon dioxide and water to carbonic acid, influencing blood pH.
  • Bicarbonate
    Conjugate base formed from carbonic acid dissociation, involved in carbon dioxide transport and blood pH regulation.
  • Partial Pressure
    Measure of gas concentration, with oxygen partial pressure differing between lungs and tissues, affecting hemoglobin function.
  • Allosteric Inhibitor
    Molecule such as carbon dioxide or proton that decreases hemoglobin's oxygen binding by stabilizing the T state.
  • Red Blood Cell
    Cell type containing hemoglobin and carbonic anhydrase, central to oxygen and carbon dioxide transport in blood.
  • pH
    Indicator of hydrogen ion concentration in blood, influencing hemoglobin's oxygen affinity and release.
  • Cellular Respiration
    Process in muscle tissues consuming oxygen and producing carbon dioxide, driving hemoglobin's oxygen release.