zona pellucida, blastomeres, ovipositor, corpus luteum, spermatozoa, embryonic tissue, rotifer, epididymis, trophoblast, somites, schistosome, conceptus, yolk sac, gastrulation, flagella, spermatic cord, ovule, radula, erectile tissue, morula, gametes, xenopus, brood pouch, estrous cycle, xenopus laevis, granulosa, midgut, amnion, umbilical vein, mouthparts, subadult, epicardium, oocytes, microinjection, oocyst, flatworms, ostracods, amniotic cavity, chordates, copulatory, hermaphrodites, trichinella, palps, asexual reproduction, motile, tracheae, ciliates, homologous chromosomes, syrinx, dedifferentiation, vas deferens, fibroblast, milt, pelvic girdle, placoderms, bilaterally symmetrical, ectoderm, hemolymph, manduca sexta, spinnerets, bacteroides, corynebacterium, spinneret, tectum, prokaryote, myometrium, whipworm, fertilized ovum, erythrocytes, sperms, endometritis, pineal, introgression, oestrus, tubercles, peroxisome, leucocytes, jawless fish, rhesus, sclerotia, meningeal, testes, flatfishes, teleost fish, morphogenesis, papillae, epiblast, planarians, planaria, hyphae, somatic cell, pelvic fin, molts, amphioxus, striated muscle, antennal, entamoeba, morphogen, metazoan, lymphatics, uteri, parthenogenesis, oviduct, ovaries, ureters, cotyledons, vagina, gonads, ovary, ureter, antrum, caecum, cervix, hippocampus, intestine, kidneys, trachea, urethra, uterus, adrenals, aorta

panhysterectomy, radical hysterectomy