sinusoid

1. Tiny endothelium-lined passages for blood in the tissue of an organ (synset 105261293)
   is a type of: passage, passageway - a path or channel or duct through or along which something may pass
2. The curve of y=sin x (synset 113932205)
   is a type of: undulation, wave - an undulating curve
   same as: sine curve

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