Recent content by prashant

  1. prashant

    How does a urinary catheter work?

    Blood clots...
  2. prashant

    How does an anal fissure cause the anal sphincter to spasm?

    The spasm is actually caused by action of contraction of sphinters,that is a part of reflex arc,due to the highly sensitive sensory action of fissured anoderm.This is a protective reflex,infact dre and proctoscopy is contraindicated in this medical condition.
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