tubus
[tōō′bəs]
n. pl. tu•bi (-bī)
A tube or a canal.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for tubus
Historical Examples of tubus
Tubus: a term used to designate the corneous base of a ligula: the sheath of the tongue.
Explanation of Terms Used in EntomologyJohn. B. Smith