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A-Level Biology OCR A

Peritoneal Dialysis Fluid Describe Process Dialysis Dialysis Introduced

In peritoneal dialysis, dialysis fluid is introduced into the abdomen through a catheter, and waste products diffuse across the peritoneal membrane into the fluid before it's drained.

Peritoneal dialysis involves introducing dialysis fluid into the abdomen via a catheter, allowing waste products like urea and excess ions to diffuse across the peritoneal membrane into the fluid, which is then drained.

Front Describe the process of peritoneal dialysis.
Back Peritoneal dialysis:
  • Dialysis fluid is introduced into the abdomen using catheter
  • Left for several hours for dialysis to take place across peritoneal membranes - urea and excess ions move across peritoneal membrane into dialysis fluid
  • Fluid is drained off and discarded, blood is balanced

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