any of numerous protozoa of the widespread subphylum (or superclass) Rhizopoda, characterized by a pseudopod and comprising most members of the phylum Sarcodina, including the amebas and foraminifers.
any protozoan of the phylum Rhizopoda, characterized by naked protoplasmic processes (pseudopodia). The group includes the amoebas
of, relating to, or belonging to the Rhizopoda
Any of various protozoans of the group Rhizopoda, characteristically moving and taking in food by means of pseudopods. Rhizopods include amoebas and radiolarians.
noun 1. any zygomycetous fungus of the genus Rhizopus, esp R. nigricans, a bread mould Rhizopus Rhi·zo·pus (rī’zə-pəs, rī-zō’pəs) n. A genus of rot-causing fungi that includes the common bread mold; some species cause mucormycosis in humans.
noun 1. the area of soil that surrounds the roots of a plant and is altered by the plant’s root growth, nutrients, respiration, etc. noun 1. the region of the soil in contact with the roots of a plant. It contains many microorganisms and its composition is affected by root activities rhizosphere (rī’zə-sfîr’) The soil […]
noun, plural rhizotomies. Surgery. 1. the surgical section or cutting of the spinal nerve roots, usually posterior or sensory roots, to eliminate pain. noun (pl) -mies 1. surgical incision into the roots of spinal nerves, esp for the relief of pain rhizotomy rhi·zot·o·my (rī-zŏt’ə-mē) n. Surgical severance of spinal nerve roots, as for the relief […]
noun 1. See under Rh factor. noun, Physiology. 1. any of a type of specific antigen present on the surface of red blood cells, persons having inherited such antigens being designated Rh+ (Rh positive) and persons lacking them, a much smaller group, being designated Rh− (Rh negative) blood of Rh− persons is incompatible with Rh+ […]