vesicular

/vəˈsɪkjələr/
adjective
  1. Relating to or consisting of small sacs or blisters, especially in medical or biological contexts.
    • The doctor noted a vesicular rash on the patient's arm, typical of chickenpox.
    • Vesicular transport moves materials between organelles inside a cell.
    • The rock had a vesicular texture from gas bubbles trapped during volcanic cooling.
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