tub-

(Latin: pipe)

acinotubular
Composed of tubular acini or of tubules ending in acini.
nanotube
A hollow cylindrical or toroidal molecule made of one element, usually carbon. Nanotubes are being investigated as semiconductors and for uses in nanotechnology.

A toroid is defined as a surface generated by rotating a closed curve around an axis that is in the same plane as the curve but does not intersect it.

tube
tubicole (verb), tubicoles; tubicoled; tubicoling: holes, tubes
Existing in tube-dwelling kinds of habitats.
tubing
tuboabdominal (adjective) (not comparable)
Concerning the uterine or fallopian tube and the abdomen: Celia was at the hospital for an examination of the tuboabdominal parts of her body to make sure that she was healthy enough to become pregnant.
tubular
tubulated
tubulose
tubulous
tubulure
A short tubular opening, as in a glass jar or at the top of a retort (glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat).
uterotubal

A cross reference of word units that are related, directly and/or indirectly, with "tube, pipe": aulo-; can-, cann-; duc-, -duct (to lead, leading); fistul-; siphon-.