Related by context. All words. (Click for frequent words.) 67 unfertilised eggs 66 oocytes eggs 64 gamete 64 oocyte 63 unfertilized eggs 62 ovum 61 oocytes 61 sperm 59 embryos 59 oviducts 58 totipotent 58 embryonic tissue 58 fertilized embryo 58 gametes sperm 58 IVF embryo 58 germline cells 58 fertilized eggs 58 female gamete 58 zygotes 57 unfertilized egg 57 embryo 57 unfertilised egg 57 sperms 56 germ cells 56 donor gametes 56 spermatozoa 56 undifferentiated cells 55 ova 55 Cryopreservation 55 Embryos 55 placental tissue 55 discarded umbilical cords 55 parthenogenetic 55 embyros 54 unspecialized cells 54 primordial germ cells 54 somatic cell 54 ovarian follicles 54 excess IVF embryos 54 ovule 54 unused embryos 54 mature oocytes 54 IVF embryos 54 Fertilized eggs 54 artificial gametes 54 cloned embryo 54 unfertilized human 53 somatic cells 53 milt 53 blastomeres 53 surplus IVF embryos 53 fertilized ova 53 pluripotent cells 53 corpus luteum 53 mouse testes 53 zona pellucida 53 amniotic cells 53 diploid 53 fertilize eggs 53 asexually 53 fertilising eggs 52 fertilized ovum 52 centrosomes 52 spermatogonial stem cells 52 cytoplasmic hybrid 52 M. capricolum 52 frozen thawed 52 pluripotent embryonic 52 chromosomally normal 52 spare IVF embryos 52 blastomere 52 ovarian follicle 52 cryo preserved 52 injection ICSI 52 donor sperm 52 hermaphrodites 52 eggs fertilized 52 intra cytoplasmic sperm 52 undifferentiated stem cells 51 artificial wombs 51 embryo clones 51 fertilized egg 51 Skeletal muscles 51 intracytoplasmic sperm injection 51 yolk sac 51 mouse ESCs 51 spermatozoon 51 fertilized embryos 51 breast lobules 51 unisexual 51 seminiferous tubules 51 Sertoli cells 51 gastrulation 51 clonally 51 thymocytes 51 Embryo 51 cloned blastocysts 51 rotifer 51 oocyte egg 51 zygote 50 multi celled organisms 50 pancreata 50 cryopreserved embryos 50 placental stem cells 50 granulocytes 50 Blastocysts 50 microfilariae 50 parthenogenetic stem cells 50 endoderm 50 leukapheresis 50 ovary tissue 50 multipotent stem cells 50 leftover embryos 50 egg follicles 50 centrioles 50 cloning embryos 50 mosaicism 50 Reproductive cloning 50 chimeras 50 procreative 50 conceptus 50 hESC lines 50 germline stem cells 50 Pluripotent stem cells 50 amniotic cavity 50 reproduce asexually 50 unfertilised 50 cryopreserved 50 ovary 50 selfing 50 sexually reproducing 50 vitellogenin 50 HSPCs 50 blastocyst 50 stem cells 50 haploid 50 acrosome reaction 50 ovules 50 adult somatic cells 49 defective mitochondria 49 cloned embryos 49 virile reproductive 49 human embryos 49 imprinted genes 49 cybrids 49 chromosomally abnormal 49 stemcells 49 hematopoietic cells 49 Umbilical cord stem cells 49 embryonic stem cells ESCs 49 donor pancreases 49 somatic stem cells 49 triploid 49 umbilical cord stem cells 49 eggs oocytes 49 cybrid 49 HLAs 49 Zebrafish embryos 49 mesenchymal stem cells MSCs 49 Artificial insemination 49 blastocysts 49 female reproductive tract 49 microchimerism 49 intracytoplasmic sperm injection ICSI 49 gonadotropins 49 duplicated chromosomes 49 placentas 49 gametocytes 49 fertilized egg splits 49 PGCs 49 embryonic stemcells 49 zebrafish Danio rerio 49 MHC genes 49 NR#A# gene 49 embryonic tissues 49 pluripotent meaning 49 embryo cryopreservation 49 HLA matched 49 implanting embryos 49 cumulus cells 49 preimplantation genetic diagnosis 49 pluripotent stem cells 49 hES cells 49 nonembryonic 49 reproductive glands 49 unspecialised 49 therapeutic cloning 49 mammary cells 48 hematopoietic stem cells 48 immature dendritic cells 48 homologous chromosomes 48 offspring 48 erythrocytes 48 Hair follicles 48 testicular tissue 48 neural crest cells 48 artificial chromosomes 48 MLL gene 48 human chorionic gonadotrophin hCG 48 ploidy 48 von Willebrand factor 48 hpSC 48 CHD7 48 reimplanting sperm producing 48 mouse embryos 48 eggs 48 Embryology Act 48 gamete donors 48 Extracting stem cells 48 donor marrow 48 divide asymmetrically 48 sperm donors 48 asexual reproduction 48 luteal cells 48 somatic cell nuclear 48 fertilization clinics 48 immature oocytes 48 embryoid bodies 48 SRY gene 48 hematopoietic blood 48 mussel larvae 48 Surrogate births 48 eukaryotic cell 48 donor insemination 48 oocysts 48 single celled bacteria 48 vasopressin receptors 48 unspecialized 48 bdelloid rotifer 48 chloroplasts 48 vitro maturation 48 chromosomal DNA 48 mammalian sperm 47 skeletal muscle cells 47 recessive genes 47 Brine shrimp 47 prairie vole 47 piRNAs 47 mammalian embryo 47 oviduct 47 Bt genes 47 Oocyte 47 amnion 47 primordial follicles 47 cell nuclei 47 multipotent cells 47 embryo transfers 47 prokaryote 47 rhesus 47 primitive vertebrates 47 secrete proteins 47 transgenic pigs 47 endometrial cells 47 phenotypic traits 47 human leukocyte antigens 47 sexually dimorphic 47 induce pluripotency 47 preimplantation genetic diagnosis PGD 47 fruitflies 47 iPS cell 47 cytoplasmic hybrids 47 Therapeutic cloning 47 spermatogonia 47 vitro fertilization clinics 47 aneuploid 47 immunologically compatible 47 sperm donor offspring 47 bantengs 47 dauer 47 fertilization 47 single blastomere 47 extract stem cells 47 bovine semen 47 parthenogenic 47 reproductive hormones 47 Cloned animals 47 PrPSc 47 normal prion proteins 47 hematopoetic stem cells 47 spindle fibers 47 stromal cells 47 embryo implants 47 diapause 47 chimera embryos 47 parthenogenesis 47 zebrafish embryos 47 hpSCs 47 ostracods 47 reproductive tracts 47 abnormal chromosomes 47 fetal tissue 47 polyploids 47 doublesex 47 Baleen whales 47 morphogens 47 Xenopus 47 pipefish 47 Pollen grains 47 flightless females 47 estrus cycle 47 organelle 47 testis 47 fruiting bodies 47 Umbilical cords 47 meiosis 46 neural cells 46 Hox gene 46 dizygotic 46 Xenopus laevis 46 Transcription factors 46 Gamete 46 reciprocal altruism 46 virions 46 ribosomal RNA genes 46 larval stages 46 Rh factor 46 neurotrophins 46 brood pouch 46 Umbilical cord blood 46 Math1 46 egg yolk proteins 46 Prevotella 46 granulosa cells 46 teratomas 46 frozen embryo 46 rotifers 46 HLA molecules 46 embryonic cells 46 megakaryocytes 46 RBCs 46 peroxisome 46 iPS 46 eSET 46 Embryology Authority HFEA 46 trophoblast 46 hormonal stimulation 46 vascular endothelial cells 46 morula 46 multinucleated 46 transfer SCNT 46 Pluripotent cells 46 babies umbilical cords 46 MDSCs 46 unicellular organisms 46 Amniotic fluid 46 maternally inherited 46 bovine serum 46 cryoprotectants 46 frozen semen 46 acrosome 46 microscopic larvae 46 metabolic enzymes 46 Wolbachia bacteria 46 pistil 46 hemoglobins 46 pancreatic tissue 46 metazoan 46 epigenetic inheritance 46 reprogramming genes 46 primordia 46 mononuclear cells 46 iPSC lines 46 artificial insemination 46 Cloning embryos 46 motile 46 induced pluripotent cells 46 X chromosomes 46 subfertile 46 gamete donation 46 umbilical stem cells 46 genetically reprogrammed 46 broodstock 46 organs 46 gonadotrophin 46 chimeric mice 46 multipotent 46 incubate eggs 46 genetic recombination 46 Dpp 46 unitive 46 follicle stimulating hormone 46 oocyte donation 46 mutant alleles 46 medaka 46 blastocyst stage 46 bdelloids 46 female hormones estrogen 46 neural precursor 46 meristem 46 unfertilized 46 hermaphroditic 46 embryonic stem cells 46 reproductive cloning 46 stem cells harvested 46 germline 46 HUCB 46 GFP gene 46 enucleated 46 artificial procreation 46 neuroblasts 46 algal species 46 reproductively 46 luminal cells 45 genetic imprinting 45 surrogacy arrangements 45 fetal hemoglobin 45 ncRNA 45 gestational surrogate 45 hormone prolactin 45 procreation 45 cnidarians 45 prevent fertilized egg 45 abort fetus 45 clone embryos 45 mesenchymal cells 45 organism 45 epicardium 45 soil bacterium Bacillus 45 adipose cells 45 neural progenitor cells 45 placental cells 45 breast epithelial cells 45 Embryo donation 45 semen ova 45 plant hormone auxin 45 ESCs 45 intestinal epithelial cells 45 precocial 45 granulosa 45 Leydig cells 45 neural crest stem cells 45 HbF 45 Wolbachia 45 hair follicle stem cells 45 adipocytes fat 45 phenotypically 45 Mesenchymal stem cells 45 HESCs 45 folate metabolism 45 MenSCs 45 pluripotent human 45 retinal pigment epithelial cells 45 photosynthetic organisms 45 maternally derived 45 genetically identical 45 hybridizations 45 haematopoietic stem cells 45 beta globin 45 male prairie voles 45 cuddle hormone 45 Neural stem cells 45 chordates 45 Embryology Authority 45 biopsied embryos 45 reproductive tract 45 transgenic rats 45 Kirichok 45 amniotic fluid 45 globin genes 45 gamma globin gene 45 erectile tissue 45 schistosome 45 XY chromosomes 45 hormones progesterone 45 cardiac fibroblasts 45 mesenchyme 45 sperm fertilizes 45 anthers 45 morally licit 45 transplantable cells 45 Fertilisation 45 implanting Nadya Suleman 45 neuroligins 45 ovarian stimulation 45 vaginal fluids 45 Embryonic stem cells 45 rhizobia 45 chromosomally 45 dizygotic twins 45 genetically manipulated 45 assisted reproduction 45 umbilical cords 45 epididymis 45 lentiviral vectors 45 eusociality 45 ejaculates 45 amphioxus 45 cellular prion protein 45 implanted embryos 45 chordate 45 hematopoietic progenitor cells 45 mosquitofish 45 testicular biopsy 45 Amborella 45 monozygotic twins 45 suppressor gene 45 radial glia 45 infertile couples 45 spermatogonial cells 45 Assisted reproduction 45 ovarian tissue 45 trophoblasts 45 ovarian hyperstimulation 45 epidermal cells 45 rhesus negative 45 Somatic Cell Nuclear 45 XX chromosomes 45 HSCs 45 outcrossing 45 planarians 45 haematopoietic 45 Sonic Hedgehog 45 X inactivation 45 human ESCs 45 unicellular organism 45 procreated 45 reproductivity 45 pesticides synthetic fertilizers 45 oysters shrimp crabs 45 TEL AML1 45 procreate 45 nematode worms 45 endometrial tissue 45 pancreatic islet 45 neural stem cells 45 transcriptomes 45 stromal vascular fraction 45 transcriptional regulators 45 DNA demethylation 45 SCNT 45 reassortants 45 fetal stem cells 45 transgenic mouse 45 mesenchymal stem cell 45 bone marrow stromal cells 45 ALDH br cells 45 fru 45 Preimplantation Genetic Diagnosis PGD 45 cuckoo chick 45 flatworms 45 HLA markers 45 genotoxic stress 45 OECs 44 Aedes species 44 morphogen 44 biobanks 44 somites 44 symbiotic bacteria 44 embryonic fetal 44 anterior pituitary 44 extracellular matrix ECM 44 testes 44 Mosquito larvae 44 fungal strains 44 multicellular organism 44 histocompatibility 44 viral nucleic acid 44 prokaryotes 44 ovaries 44 lymphoid organs 44 plasma platelets 44 liquid nitrogen tanks 44 maternal antibodies 44 spore formation 44 IVF 44 Male infertility 44 chromosomal anomalies 44 transgene 44 hpSC lines 44 interferon beta protein 44 HOX genes 44 FUS protein 44 admixed embryos 44 platypuses 44 allogenic 44 antral follicles 44 bile salts 44 cotyledons 44 aneuploid cells 44 female genital tract 44 Therapeutic cloning involves 44 de novo mutations 44 3D microenvironment 44 unhatched 44 fruitfly Drosophila 44 T lymphocyte 44 C EBP alpha 44 umbilical vein 44 surrogate motherhood 44 monocyte derived stem cells 44 kisspeptin 44 male reproductive organs 44 MeCP2 gene 44 metazoans 44 PrPC 44 secretory cells 44 stem progenitor cells 44 embryos fertilized 44 Verlinsky 44 thymocyte 44 Placental 44 excitatory synapses 44 Tilikum fathered 44 platelets plasma 44 Germline 44 Follicle Stimulating Hormone 44 Sox9 44 merozoites 44 vernalization 44 Progenitor cells 44 spontaneously abort 44 Oct4 44 eppin 44 IVF ICSI 44 sialic acids 44 Reijo Pera 44 SpermCheck 44 spermatogenesis 44 mealworms carpenter bees 44 adrenal cortex 44 mRNA molecules 44 Nitric oxide NO 44 MAPCs 44 frozen embryos 44 monozygotic 44 androgens male 44 sex hormone estrogen 44 progenitor cell 44 human parthenogenetic stem 44 hESCs 44 miRNA molecules 44 ovulates 44 epigenetically 44 phagocytes 44 eggs incubate 44 cryogenically stored 44 umbilical cord blood 44 fibroblast cells 44 pancreases 44 surrogate mothers 44 hES 44 chimeric embryos 44 pluripotent stem cell 44 intersexed 44 Yamanaka recipe 44 ES cells 44 BCL#A 44 embryonic cloning 44 contraceptive Pill 44 ectoderm 44 testicular sperm 44 chimerism 44 Mycoplasma capricolum 44 olfactory neurons 44 gamete formation 44 ciliated 44 Bone marrow derived 44 IVD sperm 44 Hoerstrup 44 bacterial symbiont 44 microinjection 44 spider silk proteins 44 PKD1 44 induced pluripotent stem cell 44 haematopoietic cells 44 fertilises 44 Agrobacterium tumefaciens 44 Pluripotent 44 Lhx2 44 bdelloid rotifers 44 Mesenchymal Stem Cells 44 dioecious 44 Wnt proteins 44 transdifferentiation 44 parasitoid wasp 44 Adult stem cells 44 Chd1 44 vitro fertilization IVF 44 vegetatively 44 uteri 44 female gametophyte 44 ribosomal genes 44 diagnosis PGD 44 hypoxic tumor 44 Stress hormones 43 anergy 43 intersexuality 43 antisense RNA 43 gonadal 43 agouti gene 43 neurons astrocytes 43 Wnt protein 43 eukaryote 43 ERK2 43 invitro 43 ultrasonic vocalizations 43 hormone FSH 43 induce ovulation 43 savior sibling 43 cryo preservation 43 prairie voles 43 stimulate ovulation 43 motile sperm 43 Sperm 43 suppress ovulation 43 hematopoietic stem cells HSCs 43 erythropoietin hormone 43 Pax3 43 thawed fertilized 43 pre implantation genetic 43 male pipefish 43 siderophore 43 Anopheles gambiae mosquitoes 43 male lampreys 43 glycosylation profile 43 amniotic sac 43 multicellular organisms 43 gametophyte 43 tiny tubules 43 biogenesis 43 mammalian cells 43 insemination 43 Bacteroides 43 granulosa cell 43 reproductive 43 tiny single celled 43 hyperactivated 43 monocots 43 genetically defective 43 trophoblast cells 43 wombs 43 iPS cells 43 follicle stem cells 43 deriving stem cells 43 IGF2 43 sebaceous glands 43 type II pneumocytes 43 exosomes 43 hepatocytes 43 EBx 43 larval rearing 43 Kamrava implanted dozen 43 Olerup SSP 43 oestrogenic activity 43 reproductive organs 43 pluripotent embryonic stem cells 43 amniotic epithelial cells 43 Soluble CD# 43 pigment melanin 43 zygotic 43 Notch receptors 43 cohesin 43 morphogenesis 43 jawed vertebrates 43 pluripotent 43 evolutionary lineage 43 swim bladders 43 hESC 43 iPSCs 43 cord blood 43 follicle stimulating hormone FSH 43 ACTCellerate ™ 43 Nasonia 43 genital tract 43 clinically annotated 43 PrepaCyte CB 43 neuronal pathways 43 egg retrieval 43 oocyte cryopreservation 43 carotenoid pigment 43 chick embryo 43 ovulation induction 43 sperm donation 43 autoreactive 43 platelet concentrates 43 Amflora potatoes 43 kinetochores 43 terminally differentiated 43 ovulatory cycles 43 impregnate females 43 teratoma 43 secrete hormones 43 cloaca 43 Pichia pastoris 43 nonbiological 43 mammalian embryos 43 Hawaiian taro 43 Hepatocytes 43 sensory organ 43 vaginal cavity 43 nematode worm 43 Susannah Baruch 43 genetic alteration 43 flatworm 43 mycorrhizal fungi 43 spermatagonial stem cells 43 HLA G 43 cardiac myocytes 43 vaginal secretions 43 androgen receptor gene 43 biological molecules 43 cetaceans whales 43 neuronal stem cells 43 oligodendrocyte 43 androgen hormones 43 Rh positive 43 Fertility clinics 43 inflorescences 43 protocells 43 reproductively isolated 43 sex hormones estrogen 43 Embryonic stem cells ESCs 43 vesicular stomatitis virus 43 oxidative phosphorylation 43 pancreatic islets 43 cells hESC 43 cardiac progenitor cells 43 SOX3 gene 43 seminal vesicles 43 stemcell 43 moths butterflies 43 Neuregulin 1 43 Kufs disease 43 trypanosome 43 pre mRNA splicing 43 protein encoded 43 Fallopian tube 43 embryo biopsy 43 hormone progestogen 43 FoxO3 43 neural stem cell 43 male reproductive tract 43 Geochelone species 43 CTCF 43 glucocerebrosidase 43 ScienceNetwork WA 43 oestrus 43 testosterone secretion 43 bone marrow derived mesenchymal 43 ethically acceptable 43 miscarried fetuses 43 Horseshoe crabs 43 aY chromosome 43 nephron 43 banteng 43 X chromosome inactivation 43 Embryonic cells 43 monotremes 43 liver grafts 43 pulmonary surfactant substance 43 autosomes 43 lung fibroblasts 43 vas deferens 43 zebra fish 43 clonal reproduction 43 cryogenic preservation 43 recessive trait 43 nitrogen fixers 43 chloroplast 43 Transfer SCNT 43 RNA extraction 43 transgenes 43 parthenogenetic cells 43 surrogacies 43 Embryonic 43 tube fertilization 43 progenitor cells 43 inbred strains 43 photosynthetic apparatus 43 gestational carrier 43 elvers 43 cytokinin 43 marsupial mammals 43 zebrafish embryo 43 induced pluripotent stem iPS 43 gene deletions 43 blastema cells 43 granule cells 43 myoblasts 43 outbred 43 uterine cavity 43 BioArchive System 43 distantly related species 43 hormone aldosterone 43 Fibroblasts 43 embryonic stem 43 allogeneic 43 parthenogenetic stem cell 43 cryopreserve 43 Induced pluripotent stem cells 43 retroviral vectors 43 hormone vasopressin 43 cloned primate 42 Human Tissues 42 peritoneal fluid 42 abnormal prions 42 Tumor suppressor genes 42 lysosomal enzymes 42 mutant proteins 42 fertilized 42 single celled algae 42 colostrums 42 Langerhans cells 42 cytotoxins 42 islet cells 42 amniotic stem cell 42 IPSCs 42 chromosome rearrangements 42 snapdragon flower 42 pelvic fins 42 natal streams 42 cadaveric organ 42 LIS1 42 Chinese hamster ovary 42 cloned stem cells 42 melittin 42 infertility miscarriages 42 retroviral vector 42 endocrine glands 42 ovulated 42 meiotic 42 transgenic animals 42 artificial insemination AI 42 copulations 42 African clawed frogs 42 TH# cells 42 cytoplasmic embryos 42 Umbilical cord 42 Neural crest 42 antibody secreting cells 42 cells hESCs 42 pancreatic islet cells 42 oviraptors 42 mesoderm 42 TAp# 42 homodimers 42 Siberian mammoths 42 transplanting organs 42 ACTCellerate TM 42 choosiness 42 mutant allele 42 vitro fertilization 42 introgression 42 transgenic chickens 42 Jhdm2a 42 vitrified eggs 42 organism genome 42 crocodilian species 42 thale cress Arabidopsis thaliana 42 mutant mouse 42 oligodendrocyte cells 42 endosperm 42 mesenchymal progenitor cells 42 chromosomes 42 dermal papilla cells 42 mutant genes 42 photosynthetic microbes 42 symbioses 42 anonymous sperm donor 42 socially monogamous 42 hormone estrogen 42 reassortant virus 42 ethically unjustifiable 42 predatory mites 42 hESC derived 42 panda sperm 42 Genetically modified organisms 42 bodily tissues 42 pathogenic prions 42 peroxisomes 42 phenotypic plasticity 42 reproduces asexually 42 telomerase enzyme 42 laser capture microdissection 42 Massospondylus 42 matings 42 Pubic lice 42 white ibises 42 X. laevis 42 human reproductive cloning 42 bio lipids 42 microscopic beads 42 placental mammals 42 mouse fibroblasts 42 HFEA 42 Malignant tumors 42 multiple gestations 42 marine phytoplankton 42 IN VITRO 42 parasitoid 42 fluorescent markers 42 copulatory 42 A. thaliana 42 Hematopoietic 42 Shiga toxin 42 polygynous 42 infective larvae 42 IVF clinics 42 nephrons