An ingrowth from a neighbouring cell through a pit into a vessel (also, perhorig, thylose /thīˈlōs/, or thylosis /thī-lōˈsis/; plthyloˈsēs; perh from Gr thylakos a pocket; botany)
An inflammation of the eyelids
A callosity
ORIGIN: Gr tylos a knob, callus
tylote /tīˈlōt/ noun
A cylindrical sponge spicule, knobbed at both ends