The endocrine system consists of glands that secrete hormones directly into the bloodstream. Two suffixes related to the endocrine system are dipsia and uria. Dipsia refers to thirst, with polydipsia meaning excessive thirst which can be caused by conditions like diabetes or diarrhea. Uria refers to urine, with polyuria meaning excessive urination which is often caused by uncontrolled diabetes, and glycosuria referring to the presence of sugar in the urine due to issues like diabetes or pregnancy.