xenopus laevis, planaria, flatworm, morphogen, gastrulation, morphogenesis, trypanosome, somites, metazoan, planarians, peromyscus, umbilical vein, eukaryote, subfamily, mosaicism, syngeneic, fibroblast, mucins, polyamine, agouti, striated muscle, globin, operon, keratins, glycolipid, african clawed frog, chordates, plastid, tropomyosin, protist, chlamydomonas, hindbrain, striata, blastomeres, ontogeny, enolase, zebrafish, tetramer, introgression, versicolor, homozygosity, volvox, centromeres, organogenesis, osteoclast, testis, elegans, leucocytes, peroxidase, proteolysis, midgut, coevolution, acinar, trypanosomes, esterase, homeobox gene, motoneurons, hepatoma, bacteroides, ovule, exonuclease, oviducts, biogenesis, borrelia burgdorferi, centrioles, dedifferentiation, peroxisome, tribolium, trophoblast, nematode worm, borrelia, mesoderm, schistosome, ciliates, amphioxus, anterior pituitary, embryonal carcinoma, gonadal, ultrastructure, fibril, ectoderm, prokaryote, thymosin, osteoblast, ambystoma, corynebacterium, metaplasia, hexose, immunoreactivity, stilbene, erythrocytes, motile, rotifer, taenia, conceptus, cellularity, spermatogenesis, lateral ventricle, holotype, tetrahymena, eyespots, mouse, embryos, pituitaries, drosophila, goldfish, hamster, newts, rhesus, tadpole, blastocysts, bovine, explants, hippocampus, myoblasts, myocytes, oocyte, oocytes, rat, tadpoles, thymocytes, mammalian, ovine, ascidian, avian, cell, chimeric, lacz, microinjected, 1, 1a, 2, 2a, 5a, 70, actin, activated, activating, activator, adenoviral

family xenopodidae, xenopodidae

amphibian genus

genus xenopus