Defensive MedicineDefense MechanismsEscape ReactionRagePredatory BehaviorBeetlesPeriaqueductal GrayBehavior, AnimalImmobility Response, TonicFearMalpracticeStartle ReactionHerbivoryAggressionPersonal SpaceArachnidaAgonistic BehaviorLiability, LegalAplysiaDominance-SubordinationAvoidance LearningAphidsAntsInsectsPlant LeavesSex Reassignment SurgeryWaspsBetulaceaeLarvaOxylipinsCyclopentanesBlinkingAnxietyPentastomidaAmphibian VenomsBufonidaePerceptual DefenseReceptors, Corticotropin-Releasing HormoneHost-Parasite InteractionsProjectionInsurance, LiabilityGalvanic Skin ResponseMothsPheromonesGastropodaAnti-Anxiety AgentsElectroshockSneezingManducaFeeding BehaviorHypothalamus, PosteriorInsect RepellentsPlant DiseasesTranquilizing AgentsConditioning (Psychology)Serotonin 5-HT1 Receptor AntagonistsReflexTanninsExocrine GlandsLanolinSnailsPanic DisorderGalagoSnakesConditioning, ClassicalVolatile Organic CompoundsFood ChainHemipteraInstinctHypothalamic Area, LateralAppetitive BehaviorMaze LearningOdorsTenebrioBodily SecretionsLorazepamPerianal GlandsGlucosinolatesBiological EvolutionSymbiosisOvipositionMuscimolPupaGene Expression Regulation, PlantNervous System Physiological PhenomenaMamillary BodiesHymenopteraDorsomedial Hypothalamic NucleusAnticipation, PsychologicalCatsButterfliesSocial BehaviorSeaweedFirearmsAmygdalaAchyranthesVolatilizationCorticotropin-Releasing HormoneAnalysis of VariancePlant Proteins