morphogen, chloroplast, centrioles, organelle, meristem, endocytosis, microtubules, biogenesis, suberin, proteins, proteolysis, tubulin, spermatogenesis, dendrite, exocytosis, calmodulin, centromeres, quinone, acetylation, cilium, cytochrome c, stomata, florigen, histone, photosynthesis, superior colliculus, neurites, nucleolus, vernalization, ovule, oxidative phosphorylation, vacuole, atpase, molecule, golgi, cytokine, dynein, embryogenesis, nitrogen fixation, vesicle, prostaglandins, morphogenesis, plasma membrane, axon, endoplasmic reticulum, bile acid, superoxide, putrescine, arginase, tyrosine, astrocyte, dpp, isoprenoid, mrna, biosynthesis, phloem, polyamine, heme, melanocyte, luteolin, proteases, fibronectin, uracil, neurite, plastids, metabolic pathway, phagocytosis, enzyme, arabidopsis thaliana, abscission, cytochrome, nadh, gluconeogenesis, neurone, adrenal cortex, nucleosome, endonuclease, centrosome, porphyrin, stilbene, hydrogenase, suppressor gene, neurotransmitters, secretion, interconversion, neurons, phosphorylation, glutamate, transmembrane, mitochondria, motoneurons, actin, proteoglycan, enos, parathyroid gland, ouabain, xylem, nitrogenase, chromophores, phenylalanine, cellular respiration, catalase, oestrogen, androgen, androgens, estrogen, estrogens, nutrient, phospholipid, carbohydrates, lipid, oxidant, alkali, carbohydrate, electrolyte, glucocorticoids, plasticizer, progestin, vitamins, analyte, antioxidants, corticosteroid, hormone, adenosine, agonist, dopamine, inhibitor, aminobutyric, endorphin, glucocorticoid, mineralocorticoid, natriuretic, steroid, acetylcholine, adrenoceptor, aldosterone, allosteric, autocrine, insulin

iaa, indoleacetic acid, indolebutyric acid

growth regulator, phytohormone, plant hormone