Describe the structure and function of the following parts of a nephron: renal corpuscle, proximal tubule, loop of Henle, distal tubule and collecting duct.
The renal corpuscle is composed of two structures, the glomerulus and the Bowman's capsule. The glomerulus is a small tuft of capillaries containing two cell types.
The structure on the left in blue and pink is the renal corpuscle. The structure on the right is the renal tubule. The blue structure (A) is the Bowman's capsule (2 and 3). The pink structure is the glomerulus with its capillaries. At the left, blood flows from the afferent areteriole (9), through the capillaries (10), and out the efferent arteriole (11). The mesangium is the pink structure inside the glomerulus between the capillaries (5a) and extending outside the glomerulus (5b).
The renal corpuscle in the cortex (outer layer) of the kidney. At the top, the renal corpuscle containing the glomerulus. The filtered blood exits into the renal tubule as filtrate, at right. At left, blood flows from the afferent arteriole (red), enters into the renal corpuscle and is filtered in the glomerulus; blood flows out of the efferent arteriole (blue).
Proximal tubule - The proximal tubule
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