tubuliform
/tjuːbjuːˈlɪfɔrm/Definitions
1. adjective
Having the shape of a tube or tubes; tubular.
“The tubuliform structure of the plant’s stem allowed it to store water efficiently.”
2. noun
A tubuliform or tubular shape or form, especially in a microscopic organism or structure.
“The tubuliform morphology of the cell was studied under a microscope.”