neuromuscular junction, mechanistically, catalytically, constitutively, pharmacologically, immunologically, sensory neuron, adrenal cortex, gamma aminobutyric acid, epithelial cell, striated muscle, biochemically, gram stain, glial cell, hydroxyl radical, inductively, assortative mating, endogenously, beta endorphin, hyaline cartilage, molecularly, anterior pituitary, metabolic pathway, inorganic phosphate, nicotinic acid, covalent bond, leydig cell, horseradish peroxidase, choroid plexus, sebaceous gland, carboxylic acid, angiotensin converting enzyme, focally, plasminogen activator, calcium ion, reductively, bile acid, chromosomally, plasma membrane, phylogenetically, symptomatically, osmotic pressure, additively, purkinje cell, olfactory nerve, amino acid, posterior pituitary, fertilized ovum, spermatic cord, parasympathetic nervous system, epithelial tissue