tubule

== English == === Etymology === Learned borrowing from Latin tubulus, diminutive of tubus. === Pronunciation === (UK) IPA(key): /ˈtjuːbjuːl/ (US) IPA(key): /ˈtubjul/ === Noun === tubule (plural tubules) A small pipe or fistular body; a little tube. ==== Derived terms ==== == Latin == === Noun === tubule vocative singular of tubulus