sinusoid

si·nu·soid

noun \ˈsī-n(y)ə-ˌsȯid\

Definition of SINUSOID

: a minute endothelium-lined space or passage for blood in the tissues of an organ (as the liver)

—si·nu·soi·dal \ˌsī-n(y)ə-ˈsȯid-^əl\ adjective

—si·nu·soi·dal·ly \-^əl-ē\ adverb