not surrounded by walls, not having or protected by walls
Examples of 'unwalled' in a sentence
unwalled
At maturity the unwalled parasite occupied the entire host cell.
Peter M Letcher, Salvador Lopez, Robert Schmieder, Philip A Lee, Craig Behnke, MarthaJ Powell, Robert C McBride 2013, 'Characterization of Amoeboaphelidium protococcarum, an algal parasite new to the cryptomycotaisolated from an outdoor algal pond used for the production of biofuel.', PLoS ONEhttp://europepmc.org/articles/PMC3577820?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)