Myxomycetes, mik-sō-mī-sē′tēz, n.pl. a class of very simple organisms, often claimed by botanists as fungi, generally regarded by zoologists as primitive Protozoa, living on damp surfaces exposed to air, esp. on rotting wood, and feeding on organic débris forming composite masses or plasmodia. [Gr. myxa, mucus, mykētes, pl. of mykēs, a mushroom.]
Myxopod, mik′so-pod, n. and adj. a protozoan animal having pseudopodia, as distinguished from a mastigopod, which has cilia or flagella.—n.pl. Myxop′oda, protozoans whose locomotive appendages are pseudopodia—the same as Rhizopoda.—adj. Myxop′odous. [Gr. myxa, mucus, pous, podos, a foot.]
Myxosarcoma, mik-sō-sär-kō′ma, n. a tumour composed of mucous and sarcomatous tissue:—pl. Myxosarcō′mata. [Gr. myxa, mucus, sarcōma, a fleshy lump.]
Myzontes, mī-zon′tēz, n.pl. a class of vertebrates with an incomplete cartilaginous skull, no lower jaw, and pouch-like gills—including the lampreys and hags.—adj. and n. suctorial as the lamprey, belonging to the Myzontes. [Gr. myzōn, myzontos, pr.p. of myzein, to suck.]