definition of oxyhemoglobin.
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Definition of 'oxyhemoglobin' Definition of 'oxyhemoglobin'. Word Frequency. oxyhemoglobin in American English (ˌɑksɪˈhimoʊˌgloʊbɪn ; äkˌsihēˈmōglōˌbin) noun. the bright-red substance that is found in the arterial blood, formed in the lungs by the loose union of hemoglobin with oxygen: it delivers its oxygen to the body tissues.
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What Are the Differences Between Oxygenated and Deoxygenated Blood? Oxygen is carried within red blood cells by a compound called hemoglobin, which is able to bind up to four oxygen molecules and form oxyhemoglobin. Each red blood cell contains large quantities of this molecule, allowing them to carry around far more oxygen than needed to ensure that supply always meets demand.
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hemoglobin n. The protein in the red blood cells of vertebrates that carries oxygen from the lungs to tissues and that consists of four polypeptide subunits, each of which is bound to an iron-containing heme molecule.[Ultimately short for.: hematin + globulin .].he protein in the red blood cells of vertebrates that carries oxygen from the lungs to tissues and that consists of four polypeptide subunits, each of which is bound to an iron-containing heme molecule. [Ultimately short for.
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Reference Range Reference Range. Carboxyhemoglobin (COHb) is a stable complex of carbon monoxide that forms in red blood cells when carbon monoxide is inhaled. COHb should be measured if carbon monoxide or methylene chloride poisoning is suspected. COHb is also useful in monitoring the treatment of carbon monoxide poisoning.
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erythrocyte Definition of 'erythrocyte'. Word Frequency. erythrocyte (ɪˈrɪθrəʊˌsaɪt ) noun. a blood cell of vertebrates that transports oxygen and carbon dioxide, combined with the red pigment haemoglobin, to and from the tissues.
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Oxygen Hemoglobin Dissociation Curve Explained Clearly (Oxyhemoglobin Curve) Understand the Oxygen Hemoglobin Dissociation Curve with this clear explanation from Dr. Seheult. This is video 1 of 1 on the oxygen hemoglobin dissociation curve (also called oxygen dissociation curve and the oxyhemoglobin dissociation curve).Speaker: Roger Seheult, MD. Clinical and Exam Preparation Instructor. Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.his is video 1 of 1 on the oxygen hemoglobin dissociation curve (also called oxygen dissociation curve and the oxyhemoglobin dissociation curve).
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- home / medterms medical dictionary a-z list / methemoglobin definition Medical Definition of Methemoglobin Methemoglobin: A form of hemoglobin that is incapable of carrying oxygen, sometimes found in the blood after certain poisonings, such as with aniline, nitrates, and other compounds. What Kind of Doctor Do I Need?
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- 50] determined from an excellent mathematical model of the oxyhemoglobin dissociation curve under standard conditions of 37[degrees]C, pH 7. max] of methemoglobin, oxyhemoglobin, and bilirubin, respectively, were each corrected for the absorbance of the other components.
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oxyhemoglobin saturation oxyhemoglobin saturation. oxyhemoglobin saturation, the amount of oxygen actually combined with hemoglobin, expressed as a percentage of the oxygen capacity of that hemoglobin.
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Overview Definition. A hemoglobin test measures the amount of hemoglobin in your blood. Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs. If a hemoglobin test reveals that your hemoglobin level is lower than normal, it means you have a low red blood cell count (anemia). Anemia can have many different causes, including vitamin deficiencies, bleeding and chronic diseases.
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Myoglobin However, because of the high pO 2, the pH of the blood in the lungs (≈7.4 – 7.5) is not sufficiently low enough to exert a negative influence on hemoglobin binding O 2. When the oxyhemoglobin reaches the tissues the pO 2 is sufficiently low, as well as the pH (≈7.2), that the T state is favored and the O 2 released.
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Myoglobin Definition of myoglobin MYOGLOBIN: A complex protein in the muscle, similar in structure to hemoglobin in blood, which binds and transports oxygen within the cells of the body. Following harvesting and fabrication of a meat animal, myoglobin directly influences the color of meat. While there are several chemical reactions that myoglobin may undergo, the most recognizable is its combining with oxygen from the air and forming “oxymyoglobin,” the protein complex responsible for the bright cherry-red color in fresh meat.
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- The compound formed when a molecule of hemoglobin binds with a molecule of oxygen. In vertebrate animals, oxyhemoglobin forms in the red blood cells as they take up oxygen in the lungs.
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Methemoglobinemia Definition. Methemoglobinemia is a blood disorder in which an abnormal amount of methemoglobin -- a form of hemoglobin -- is produced. Hemoglobin is the protein in red blood cells that carries and distributes oxygen to the body.efinition. Methemoglobinemia is a blood disorder in which an abnormal amount of methemoglobin -- a form of hemoglobin -- is produced. Hemoglobin is the protein in red blood cells that carries and distributes oxygen to the body.
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Oxygenâhemoglobin dissociation curve The oxygen–hemoglobin dissociation curve, also called the oxyhemoglobin dissociation curve or oxygen dissociation curve (ODC), is a curve that plots the proportion of hemoglobin in its saturated (oxygen-laden) form on the vertical axis against the prevailing oxygen tension on the horizontal axis.he 'plateau' portion of the oxyhemoglobin dissociation curve is the range that exists at the pulmonary capillaries (minimal reduction of oxygen transported until the p(O 2) falls 50 mmHg).
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Hypoxemia Definition [edit]. Hypoxemia refers to low oxygen in the blood, and the more general term hypoxia is an abnormally low oxygen content in any tissue or organ, or the body as a whole. Hypoxemia can cause hypoxia (hypoxemic hypoxia), but hypoxia can also occur via other mechanisms, such as anemia.
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pulse oximetry oximetry. measurement of the oxygen content of arterial blood. pulse oximetry. use of a spectrophotoelectric instrument applied to the skin which measures pulse rate and the percentage of oxygenated and reduced hemoglobin.ximetry performed noninvasively, usually on the finger or ear lobe, in which the small increase in absorption of light during the systolic pulse is used to calculate oxygen saturation.
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pulse oximetry measurement of oxygen saturation of the blood using an oximeter. pulse oximetry a noninvasive method of indicating the arterial oxygen saturation of functional hemoglobin, using a pulse oximeter.ximetry performed noninvasively, usually on the finger or ear lobe, in which the small increase in absorption of light during the systolic pulse is used to calculate oxygen saturation.
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oxygen transport the process by which oxygen is absorbed by red blood cell hemoglobin in the lungs and carried to the peripheral tissues. Hemoglobin combines with oxygen when present at a high concentration, such as in the lungs, and releases oxygen when the concentration is low, such as in the peripheral tissues. See also hemoglobin.
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- Hemoglobin (American) or haemoglobin (British) ( ); abbreviated Hb or Hgb , is the iron -containing oxygen -transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae ) as well as the tissues of some invertebrates . It has the formula CHONSFe.
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- Nearby words of 'oxyhemoglobin'. 1  oxygenize. 2  oxygenless. 3  oxyhaemoglobin. oxyhemoglobin. 4  oxyhydrogen. oxymel. 5  oxymora. All ENGLISH words that begin with  'O'.
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Function of hemoglobin? Hemoglobin refers to a protein, found in red blood cells, that is responsible for carrying oxygen from the lungs to all other tissues of the body. Red blood cells circulate through the lungs and the hemoglobin in these cells pick up (bind with) oxygen.These cells carry the oxygen, in a form called oxyhemoglobin, out to the tissues and cells of the body. Once at the proper destination, the oxy hemoglobin releases the oxygen and becomes hemoglobin again.ed blood cells circulate through the lungs and the hemoglobin in these cells pick up (bind with) oxygen. These cells carry the oxygen, in a form called oxyhemoglobin, out to the tissues and cells of the body.
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Clinical implications of the oxyhemoglobin dissociation curve in the neonatal period. Data on the role of the position of the oxyhemoglobin equilibrium curve in the regulation of erythropoiesis during the anemia of prematurity demonstrate that the ability to unload oxygen is more important than the absolute hemoglobin level in both the stimulus to erythropoietin production and the clinical manifestations of anemia.
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oxyhemoglobin oxyhemoglobin (ok´sēhē´mōglō´bin), n a compound of hemoglobin with two atoms of oxygen. oxyhemoglobin. hemoglobin combined with molecular oxygen, the form in which oxygen is transported in the blood. See also hemoglobin.
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Definitions It is able to bond with oxygen but is not combined with oxygen. Also called deoxyhemoglobin. reducing agent An electron donor in a coupled oxidation-reduction reaction. reflex (re´fleks) A rapid involuntary response to a stimulus.