endocrine
hormone
hypoglycaemic agent
hypoglycemic agent
internal secretion
humulin
lente iletin
lente insulin
recombinant human insulin
antibiotic
antibody
antigen
calcium
cholesterol
cortisol
cytokine
enzyme
estrogen
glucose
heparin
medication
metformin
oxygen
peptide
protein
serotonin
serum
steroid
testosterone
therapy
vitamin