Nephrons : Renal Corpuscle and Filtration Membrane, Arterioles and Vasa Recta -
- Each kidney has nearly one million complex tubular structures called nephrons which are the functional units.
- Each nephron is supplied with a tuft of high-pressure capillaries fed by the afferent arteriole, called the glomerulus.
- The rest of the nephron consists of a continuous sophisticated tubule whose proximal end surrounds the glomerulus and is called the Bowman’s capsule.
- The glomerulus and Bowman’s capsule together form the renal corpuscle or Malpighian Body.
- After passing through the renal corpuscle, the capillaries form a second arteriole, the efferent arteriole.
- These will next form a capillary network around the more distal portions of the nephron tubule, the peritubular capillaries and vasa recta, before returning to the venous system.
- The outermost layer of the Bowman’s capsule is called the parietal layer and is made up of simple squamous epithelium.
- The visceral layer is closely associated with the glomerulus.
- The visceral layer is made up of unique cells called podocytes.
- Podocytes are highly specialized cells of the visceral layer of the glomerular capsule of the renal corpuscle of the nephron of the kidney.
- These are called podocytes because they possess foot-like projections called the pedicels.
- The space between the pedicels is called slit pores or filtration slits, through which the glomerular filtrate filters.
The glomerulus and Bowman’s capsule together form the renal corpuscle or Malpighian Body. Hence the correct option b Malpighian body
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