Related by context. Frequent words. (Click for all words.) 62 sexual dimorphism 58 painful stimuli 55 vocalisations 55 rhesus 55 differentially expressed genes 55 olfaction 54 habituation 54 nonhuman primates 54 sociality 53 agonistic 53 coevolution 53 commensal 53 gonadal 52 relatedness 52 chemotaxis 52 MHC genes 52 neutralizing antibody 52 S. cerevisiae 52 humoral 52 HLA genes 52 evolutionarily conserved 52 hematopoietic cells 51 pDCs 51 morphologically 51 herbivory 51 phylogenetic analysis 51 T lymphocyte 51 polymerases 51 astrocyte 51 nonhuman primate 51 genotypic 51 phagocytosis 51 methylation patterns 51 nonhuman animals 51 vertebrate animals 51 ganglion cells 50 symbiont 50 psychophysical 50 receptor gene 50 phylogenetic 50 nonhuman 50 CTLs 50 convergent evolution 50 receptor molecule 50 Xenopus 50 mechanistically 50 Th2 50 gamete 50 germline 50 odorant receptors 50 individuation 50 spatio temporal 49 reproduce asexually 49 zebra finch 49 centromeres 49 ejaculatory 49 odorants 49 microinjection 49 GHRH 49 mammalian 49 homeostatic 49 J. Cell Biol 49 Supplementary Fig 49 intracellular signaling 49 visual stimuli 49 evolutionary origins 49 haploid 49 Fig. 1A 49 verbalization 49 virions 48 gene amplification 48 homologs 48 neuromuscular junction 48 splenic 48 postsynaptic 48 glycosylated 48 motile 48 major histocompatibility complex 48 immunologically 48 pairwise 48 histopathological 48 vocalization 48 karyotype 48 osteoblast 48 transgenes 48 viral antigens 48 allelic 48 neuropeptides 48 taxa 48 elicitation 48 oviduct 48 PCR amplification 48 ciliary 48 histone modifications 48 neuropeptide 48 NKT cells 48 genetic manipulations 48 phytochrome 48 antibody titers 48 efflux 48 opposable thumb