If you do have room for a small table (even if one side is up against a wall), there's not necessarily a need to have all the seating siting around it at once all the time, taking up needed space.
A hollow cell in the excretory system of certain invertebrates, including flatworms and rotifers, containing a tuft of rapidly beating cilia that serve to propel waste products into excretory tubules.lame cell. n. 1. (Zoology) an organ of excretion in flatworms: a hollow cup-shaped cell containing a bunch of cilia, whose movement draws in waste products and wafts them to the outside through a connecting tubule.
Medical Definition of DEUTERIUM. : an isotope of hydrogen that has one proton and one neutron in its nucleus and that has twice the mass of ordinary hydrogenâcalled also heavy hydrogen. an isotope of hydrogen that has one proton and one neutron in its nucleus and that has twice the mass of ordinary hydrogen âsymbol D âcalled also heavy hydrogen. See deuterium defined for kids. ADVERTISEMENT.