CAPS 390 Lecture Notes - Lecture 31: Renal Corpuscle, Simple Squamous Epithelium, Renal Cortex
18 Nov 2015
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Nephron= renal corpuscles +modifying tubules. Lecture 31; urinary i, nov 14, 2014 (dr. roskelley) Produce and excrete urine/ removal of toxic by- products (urea) from metabolic activity. Actually a modified exocrine system. Regulates plasma volume and blood pressure. Are large, reddish, bean- shaped organs located on the posterior abdominal wall. Are encapsulated by a dense irregular c. t. capsule. Highly vascularized (will not be examined on embryonic development) Blood vessels and ureters enter and exit the kidney at the "hilum" Production of glomerular filtrate from the blood (in cortex) Modify the filtrate to produce urine (in both cortex and medulla) Produces glomerular filtrate (mostly due to higher pressure in glomerular capillaries than. Glomerular filtrate contains high concentrations of water, ions, glucose, and urea. Thus, glomerular filtrate is very similar to plasma in composition except it lacks plasma proteins. Bowman"s capsule: continuous simple squamous epithelium with tight junctions= parietal layer (of bowman"s capsule)
