In a list format, provide the pathway of a water molecule from absorption into the systemic...

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Medical Sciences

In a list format, provide the pathway of a water molecule fromabsorption into the systemic capillaries of the small intestines toits exit out the urethra. Be detailed in your list (i.e. do notjust say it passes through the nephron, but rather list thesegments of the nephron).

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Even though water absorption occurs in the small intestine themajor part of systemic absorption occurs in the large intestineThere are numerous microvilli projections present in the liningwall of the small intestineThe water is absorbed into the networkof capillaries through the walls of the villi by diffusionAs theabsorption of digested food into the blood increases the waterpotential of the content in the ileum water is drawn into the bloodby osmosis As water is the the main part of blood it will travelalong with the blood vessels to reach the kidney through the renalarteriesArterial supply of the kidney is from the renal arteryTHE RENALARTERY divides into anterior and posterior divisions at the hilumof the kidneyThe anterior division mainly suppliesapicaluppermiddle as well as the lower segments and the posteriordivision supplies the posterior segments via the segmentalbranchesEach segmental artery divides into lobar branches aftersupplying the renal sinusesThe lobar arteries are further dividedinto 23 interlobar arteries which passes between the pyramidsHereeach interlobar artery divides into the arcuate arteries as reachesthe base of the associated pyramids and run parallel to the surfaceof the kidneys between the pyramids and the overlying cortexHereeach arcuate arteries give rise to many interlobular arteries whichpasses radially to the surface of the kidneyThe interlobulararteries gives afferent arterioles which pass to the capillarynetwork of glomeruli and unite to form efferent arteriolesTheefferent arterioles form the peritubular capillaries around thenephron loopurine formation occurs in 3 stepsglomerular See Answer

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