Acetylcholine-A neurotransmitter released at neuromuscular junctions. Has empirical formula C7H17NO3.

Ague - A fever marked by chills and shivering.

Alzheimers-A degenerative brain disorder characterized by premature senility and dementia.

Analgesic-A drug characterized by its ability to relieve pain.

Annual - Completing the life cycle in one growing season.

Antibacterial - A substance with the property of killing bacteria.

Antihistamine -A substance often used in treating allergic reactions that counteracts the effect of histamine.

Antimicrobial- A substance that is antimicrobial possesses the property of being lethal to bacteria and other unicellular organisms.

Antioxidant-An agent that inhibits oxidation. May reduce risks of contracting certain diseases.

Anti-retroviral- A substance that acts to destroy retroviruses, RNA viruses that posses reverse transcriptase.

Antispasmodic - A substance used to prevent or cease spasms, or incontrollable muscle movement

Antiviral - A substance that kills or inhibits the growth of viruses

Arthritis-Inflammation of the joints due to infectious, metabolic, or constitutional disorder.

Asthma - Disease of the respiratory tract characterized by difficult breathing, cough, and a sense of constriction in the chest.

Astringent-A drug characterized by its ability to draw together skin or mucous membranes.

Biennial - A biennial plant is one whose life cycle takes two years or growing seasons to complete.

Bronchitis- Inflammation of the bronchial mucous membranes.

Bronchodilation- Dilation, or opening, of the bronchial tubes.

Carcinogenic - A substance with the property of causing cancer

Catkin - An inflorescence bearing scaly bracts and apetalous flowers

Cholera - A bacterial disease contracted through contaminated drinking water. Symptoms include severe gastrointestinal problems such as acute diarrhea and infection of the small intestine.

Colic-Disease characterized by severe pain in the gut due to various affections of the gastrointestinal tract.

Cystitis-Inflammation of the bladder.

Delirium - A mental disturbance characterized by hallucinations, confusion, and disturbed speech.

Dermatitis- General term for inflammation of the skin.

Diuretic-A drug that causes excretion and/or urination.

Dopamine-A compound found in the nervous and peripheral tissue of the body. The immediate precursor of noradrenaline with the empirical formula C8H11NO2.

Dropsy-A disease characterized by accumulation of fluid in connective tissues and serous cavities in the body.

Dysentery-General term for a group of diseases characterized by swelling of the mucous membrane in the large intestine. Symptoms include nausea, diarrhea, ulcers, blood and mucous in stool.

Eczema - A chronic, non-contagious inflammation of the skin characterized by itching and the presence of skin vesicles that discharge fluid.

Emetic- A substance that induces vomiting.

Enteritis-Inflammation of the bowels, especially small intestine.

Epilepsy-A disease of the nervous system characterized by convulsions, seizures, and unconsciousness. Also called "falling sickness."

Expectorant - A substance that induces the expulsion of mucous from the respiratory tract.

Flatulence-The state of having the stomach or other part of the gastrointestinal tract charged with gas.

Formic Acid-A colorless, volatile acid contained in fluids emitted by ants, a skin irritant.

Gonorrhea-A sexually transmitted disease characterized by the discharge of inflammatory mucous from the urethra or vagina.

Gout - A metabolic condition characterized by painful inflammation of the joints caused by excess uric acid in the blood.

Grippe - An antiquated term for influenza or an epidemic cold. We include "grippe" in our medicinal descriptions because many of the uses for these plants were discovered by colonial settlers and American Indians who used this word in their notes.

5-Hydroxy-Tryptamine-Also called serotonin, a neurotransmitter active in vasoconstriction, sleep cycles, and anaphylactic shock.

Hemoglobin-An iron-containing component of red blood cells.

Hepatitis-Disease marked by inflammation of the liver.

Histamine-Compound with empirical formula C5H9N3 found in tissues and released during allergic reactions. Histamine causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion.

Hypericin- A photochemical thought to have antimicrobial and antiviral properties.

Inulin - a tasteless, white sugar found in the roots of some plants.

Interleukin- A member of a group of glycoproteins produced by the leukocytes in the immune system. They aid in the formation of lymphocytes.

Jaundice-A disease characterized by obstruction of bile, leading to yellowing of the skin, fluids, and tissues, by weakness, by constipation, and by loss of appetite.

Key - A dry fruit with a thin, membranous wing, often found in maple and ash species.

Lactate - To secrete milk from the mammary glands.

Laxative- A substance that, when ingested, has the property of loosening the bowels.

Leukorrhea - White viscous discharge from the vagina resulting from inflammation of the mucous membrane.

Malaria- Disease caused by protozoans in the genus Plasmodium, carried by mosquitoes. Symptoms include fever and hemolysis of red blood cells.

Measles- An infectious viral disease characterized by rash and fever.

Melatonin-A hormone with a serotonin base that regulates the body's response to periods of light and dark.

Menthol - An alcohol with empirical formula C10H20O that occurs in mint oils.

Mitogen -An agent or substance that stimulates mitosis (cell division) in lymphocytes (A type of white blood cell).

Monoamine-oxide-A type of neurotransmitter.

Panicle - A compound inflorescence often found in grasses forming a loose, spreading cluster.

Perennial- A plant that is perennial will continue to sprout year after year.

Peripheral Arterial Occlusive Disease-heart disease characterized by hardening of the arteries and formation of blood clots. May lead to heart attacks.

PMS-Premenstrual Syndrome; a variety of symptoms experienced by some women prior to menstruation including moods swings, irritability, abdominal pain, headache, fatigue, or anxiety.

Pneumonia- Disease with many varieties characterized mainly by inflammation of the lungs. Symptoms include chest pain, cough, phlegm, aches, and fever.

Poultice-A soft mass of a substance (eg: leaves, bark, etc) usually made with boiling water. A paste usually applied topically.

Prolapse - To slip forward or drop down out of place.

Pseudohypericin-a compound similar in structure and effect to hypericin.

Resin-A vegetable product obtained from secretions of fir and juniper plants used in making varnish and adhesives.

Rheumatism-Any of a variety of conditions caused by inflammation of the muscle, joints, or fibrous tissue.

Saprophyte - A vegetable organism that lives on decaying matter.

Scurvy - A disease caused by vitamin C deficiency characterized by rotting gums, loosened teeth, and bleeding skin and mucous membranes.

Sedative - A sedative substance has the property of tending to calm, moderate, or tranquilize nervousness.

Serotonin- A neurotransmitter thought to be instrumental in regulating body temperature and sleep patterns. Has empirical formula C10H12N2O.

Smallpox - Disease caused by the poxvirus and characterized by skin eruptions and pustules.

Stamen-Male reproductive structure of a flowering plant consisting of the anther, a sac containing pollen, and filament, a stalk supporting the anther.

Tannins-An astringent substance found in some plants possessing the property of turning animal hide into leather.

Tincture - An infusion.

Thrush - A disease of infants characterized by white specks inside the nose, throat, and mouth. Caused by a parasitic fungus.

Tonsillitis - Inflammation of the tonsils.

Ulcer-An open, internal sore.

Urushiol -Oily, phenolic liquid found in some plants that causes severe skin irritation.

Varicose veins - Swollen veins characterized by blue color, dilation, knotty appearance, and location close to surface of skin.

Vertigo-A condition characterized by feelings of spinning of outside objects or self, dizziness, lost equilibrium, or giddiness.

Worms- Any one of one hundred species of intestinal parasites.