attractant, scents, oxytocin, olfaction, wasps, endorphins, hormones, copulatory, phenylethylamine, bees, cva, neurotransmitter, sexual arousal, vasopressin, oviposition, prairie vole, fru, dopamine, noradrenaline, silkworm moth, saliva, odors, arousal, serotonin, auxin, aroma, olfactory bulb, mating, thiols, estrous, adrenal cortex, meadow vole, neurotoxins, mouthparts, excretions, pollinators, secretions, chemotactic, aldehydes, estrus, corticosterone, eucalyptol, alkaloids, vibrational, hermaphrodites, tobacco hornworm, prolactin, royal jelly, deet, pueraria, hypothalamus, mucins, colognes, olfactometer, histamine, moths, oestrus, phagocytes, estrogenic, chemoreceptors, mosquitofish, musks, protozoan, vibrissae, monoamine, cholecystokinin, cortisol, insects, venoms, beetles, platypuses, estrogens, smeller, morphogen, vocalizations, receptors, eyespots, urushiol, ants, stimuli, superior colliculus, antennal, erectile tissue, luteolin, oestradiol, swordtails, neuropeptide, sensory neuron, repellents, oviducts, springtails, excitatory, planaria, ciliates, beta endorphin, perfume, olfactory nerve, trichomes, nematodes, mantids, terpenes, norepinephrine, pheromone, mutagens, carcinogens, ligands, attractants, activators, allergens, enhancers, mediums, toxins, neurotransmitters, oncogenes, proteases, toxicants, anaesthetics, antigens, stimulants, subclasses