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explain iron uptake by cellsiron participates in a large number of biochemical reactions however for iron to perform any function it first needs to
define excretion of iron in human bodyour body has a limited capacity to excrete iron once it has been absorbed daily losses in adult man are between
define transport and storage of ironyou have seen that transferrin binds both newly absorbed iron and iron released after degradation of haemoglobin
explain iron balance and regulation of iron absorptionthe body has three unique mechanisms for maintaining iron balance the first is the continuous
define inhibitors and enhancers - absorption of dietary ironphytates and fibre from whole grain cereals tannins and polyphenols in tea oxalates in
define solubility affecting absorption of dietary ironsolubility is crucial for non-haem iron absorption as the inorganic iron salts have to be
define iron factors affecting absorption of dietary ironwe have read earlier that iron in foods occurs either as haem or non-haem iron haem iron
define factors affecting absorption of dietary ironthere are mainly four factors that determine iron bioavailability absorption from the diet these
define absorption of dietary ironhaem iron is more bioavailable than non-haem iron because it is absorbed intact as a soluble complex by endocytosis
explain mechanism of absorption of haem ironhaem iron is soluble in the alkaline environment of the intestine it binds to the receptor on the
define intra enterocyte transport - non-haem iron absorptionintra enterocyte transport in the enterocyte the absorbed iron can have one of the
define uptake of iron by enterocytes - non haem iron absorptionferrous iron traverses the brush border of the intestine better than the ferric iron
define phases of the absorption of ironthe process of absorption is divided into three phasesi iron uptake by enterocytes epithelial cell of the
define about the absorption of ironbefore it can be absorbed iron whether it is in the form of haem or non-haem must be released from the food
explain metabolism of ironin this sub-section we will study how body gets its iron supply how iron is transported and utilized by the various tissues
explain about the iron - micro mineralsiron was a familiar metal even in the ancient civilization in india iron implements made their appearance in
define about the micro mineralsmicro minerals are those minerals which comprise less than 001 of the total body weight and are required in
briefly describe about the micro mineralsthe last unit focused on the macro minerals now in this unit we will study about the micro minerals namely
explain interactions of macrominerals with other nutrientsvarious nutrients interact with minerals thereby affecting their bioavailability these
briefly describe about the hypokalemiahyperkalemia occurs when serum k levels are greater than 5 1n ml high plasma k results in cardiac arrhythmias a
explain about the hypokalemia normal serum k ranges from 35-5 mml hypokalemia or low plasma k levels can occur with a net shift of k from the plasma
define about the hyponatremia and hypernatremiaserum concentration of sodium is normally regulated within the range of 135 to 145 milimole per litre
define functions of sodium and chlorideso far you have learnt that most minerals participate in important functions of body as they support the
define regulation and excretion of sodium and chloriderenal excretion and retention of these elements is closely regulated the total content of body
define some major source of sodium and chloridethe major source of sodium and chloride is common salt added to our food in the form of sodium