Demulcent                  An agent protecting mucus membranes and helps stop irritation

Dermatitis                  Inflammation of the skin

Diaphoretic                A substance which helps to promote perspiration

Diuretic                      Helps to produce urine and remove water from the body

Dysmenorrhoea         Painful menstruation

Dysuria                       Pain or difficulty in urinating

Edema                                    Water retention

Emetic                                    Inducing vomiting

Emmenagogue           Inducing or assisting menstruation

Emphysema               Degenerative disease of the lungs where the air sacs become enlarged

Endocrine                  Pertaining to the ductless glands

Engorgement             Congestion or fullness of the tissue

Enteritis                     Inflammation of the mucus membranes of the intestine

Enuresis                     Involuntary urinating

Enzyme                      Protein produced by living cells which catalyze biochemical reactions

Erethism                     Abnormal state of irritation or excitement

Exocrine                     Pertaining to a gland with a duct, secreting directly onto outside surface     of organism

Expectorant               A substance that helps to expel mucus from the lungs

Exudates                    Natural material secreted by plants - can be spontaneous or after damage to plant

Febrifuge                   Helps to combat fever

Fibrillation                 Rapid twitching of muscle fiber

Fold                            Refers to the percentage of terpenes removed by re-distillation – single old to fivefold

Fractionated oils        Refers to oils that have been re-distilled, either to have terpenes removed or to remove other substances

Galactagogue             Helps to increase milk secretion

Gingivitis                    Inflammation of the gums

Glossitis                      Inflammation of the tongue

Halitosis                      Bad breath

Hematuria                  Presence of blood in the urine

Hemorrhoids              Piles which are dilated rectal veins

Hemostatic                 Helps to stop bleeding

Hepatic                       Pertaining to the liver

Hepatoxic                   An agent having a toxic or harmful effect on the liver

Herpes                        Inflammation of the skin or mucus membranes

Hyperglycemia           Excess of sugar in the blood

Hypertension             High blood pressure

Hypocholesterolemia Lowering of the cholesterol content of the blood

Hypoglycemia            Lowered blood sugar levels

Hypotension               Abnormally low blood pressure

Laxative                     A substance that helps with bowel movements

Leucocytosis               Raises number of white blood cells in the blood

Menorrhagia              Excessive blood loss during menstruation

Mucolytic                   Breaking down mucus