Rhabdonema, rab-dō-nē′ma, n. a genus of small nematoid worms. [Gr. rhabdos, a rod, nēma, a thread.]
Rhabdophane, rab′dō-fān, n. a rare phosphate of the yttrium and cerium earths. [Gr. rhabdos, a rod, phanēs, appearing.]
Rhabdophora, rab-dof′ō-ra, n. a group of fossil organisms.—adjs. Rhabdoph′ōran, Rhabdoph′ōrous.
Rhabdopleura, rab-dō-plōō′ra, n. a marine polyzoan. [Gr. rhabdos, a rod, pleuron, a rib.]
Rhabdosphere, rab′dō-sfēr, n. a minute spherical body found in the depths of the Atlantic. [Gr. rhabdos, a rod, sphaira, sphere.]
Rhabdosteidæ, rab-dos-tē′i-dē, n. a family of fossil-toothed cetaceans—its typical genus, Rhabdos′tēus. [Gr. rhabdos, rod, osteon, bone.]
Rhabdostyla, rab-dō-stī′la, n. a genus of peritrichous ciliate infusorians. [Gr. rhabdos, rod, stylos, pillar.]
Rhabdus, rab′dus, n. a simple, straight spicule.—adj. Rhab′dous. [Gr. rhabdos, a rod.]
Rhachiomyelitis, rā-ki-ō-mī-e-lī′tis, n. inflammation of the spinal cord—myelitis.—ns. Rhachiot′omy, incision into the spinal canal; Rhachis′chisis, defective formation of the spinal canal—spina bifida. [Gr. rhachis, the spine, myelos, marrow.]
Rhachitis=Rachitis (q.v.).