Relating to or composed of acini; describing structures shaped like berry clusters or small sacs arranged in grape-like formations.
From Latin 'acinus' (berry) plus '-ar' (relating to). In medical terminology, this became essential for describing glandular structures that cluster like grapes around ducts.
Many human glands—including salivary and sweat glands—are 'acinar' because they evolved as berry-like clusters draining into central tubes, making this ancient botanical term essential to modern anatomy!
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