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MSH: Multicellular, eukaryotic life forms of the kingdom Plantae (sensu lato), comprising the VIRIDIPLANTAE; RHODOPHYTA; and GLAUCOPHYTA; all of which acquired chloroplasts by direct endosymbiosis of CYANOBACTERIA. They are characterized by a mainly photosynthetic mode of nutrition; essentially unlimited growth at localized regions of cell divisions (MERISTEMS); cellulose within cells providing rigidity; the absence of organs of locomotion; absence of nervous and sensory systems; and an alternation of haploid and diploid generations.,CSP: multicellular, autotrophic, photosynthetic organisms with multicellular haploid and diploid stages, gametes produced by mitosis; may be terrestrial or aquatic.,NCI: Any living organism that typically synthesizes its food from inorganic substances, possesses cellulose cell walls, responds slowly and often permanently to a stimulus, lacks specialized sense organs and nervous system, and has no powers of locomotion. (EPA Terminology Reference System),HL7V3.0: <p>A living subjec
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