Question

Draw a neat labelled diagram of nephron and explain its structure.

Answer 1

Refer the above attachment ⬆⬆ for structure of nephron

Structure of a Nephron :

》The Nephron is also known as Uriniferous tubule or Renal tubule or just Kidney tubule.

》Each kidney tubule has the following parts :-

• Bowman's Capsule

• Proximal or first Convoluted Tubule ( PCT )

• Loop of Henle ( the middle U-shaped part )

• Distal Convoluted Tubule ( DCT )

》Bowman's Capsule

• It is a thin-walled ( single-cell thick epithelium ) cup, something like a hollow ball pressed deep on one side.

• Its hollow internal space continues into the tubule.

• The outer concavity of the cup lodges a knot-like mass of blood capillaries, called Glomerulus.

• The bowman's capsule and the glomerulus together are called Malphighian or Renal capsule.

》Proximal or first convoluted tubule

• It is the starting convoluted region of the tubule.

• Proximal means nearer, i.e. nearer to the Bowman's capsule.

》Loop of Henle

• It is shaped like a hair-pin; it is not convoluted.

• It runs in the medulla to turn back and re-enter the cortex to continue into the next convoluted region of the tubule.

》Distal convoluted tubule

• It is the end part of the kidney tubule.

• Distal means farther, i.e. farther or away from the Bowman's capsule.

• It opens into a collecting duct.

Hope it helps uh....... !! ☺

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