invertebrate 112 nonhuman 109 Animals 107 article 103 Invertebrata 85 priority journal 75 animal experiment 70 controlled study 65 animal 50 Brachyura 44 Invertebrates 42 crab 42 animal tissue 41 Argentina 39 male 36 physiology 34 Ganglia, Invertebrate 33 Animalia 32 Gastropoda 30 Male 30 Memory 30 enzyme activity 28 ganglion 27 memory 26 Atlantic Ocean 24 Invertebrate 24 gastropod 24 Cholinesterases 20 Decapoda (Crustacea) 20 South America 20