n. auditory tube
boob tube
breathing tube
bronchial tube
cathode ray tube
discharge tube
electron tube
eustachian tube
fallopian tube
image tube
inner tube
Malpighian tube
neural tube
photomultiplier tube
picture tube
pitot static tube
pitot tube
pollen tube
shock tube
sieve tube
speaking tube
static tube
test tube
thistle tube
torpedo tube
down the tube
tube foot
tube nucleus
tube pan
tube worm
vacuum tube
X ray tube
gamete intrafallopian tube transfer
down the tubes