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Glossary - Medical Terms

 

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Abortifacient
Induces the premature expulsion (abortion) of a foetus. Same meaning as Ecbolic, e.g. pennyroyal.
Adaptogenic

Helping the human organism adapt to stressful conditions.

Aerophagy
An excess of air in the alimentary canal that is relieved through burping or flatulence. 
Ague
An intermittent fever, sometimes with chills, as in malaria.
Alkaloid

A large, varied group of complex nitrogen-containing compounds, usually alkaline, that react with acids to form soluble salts, many of which have physiological effects on humans. Includes nicotine, cocaine, caffeine, etc.

Alterative

A medicinal substance that gradually restores health and the nutritional state of the body. 

Amenorrhea

Absence or suppression of menstruation.

Anaesthetic

Numbs the nerves and causes loss of sensation.

Analgesic

A medicine which relieves or reduces pain.

Anaphrodisiac

Reduces sexual desire.

Anhydrotic

Stops sweating.

Anodyne

A pain-relieving medicine, milder than analgesic.

Antacid

Neutralizes the acid produced by the stomach. Do the self-test to see if excessive acid is the cause of indigestion.

Anthelmintic
An agent that kills, destroys and expels worms from the intestines. Same as vermifuge.
Anti-aphrodisiac

Suppressing sexual desire.

Antibacterial

Destroys or stops the growth of bacteria.

Antibilious

An herb that combats biliousness. The term biliousness refers to a group of symptoms consisting of nausea, abdominal discomfort, headache, constipation, and gas that is caused by an excessive secretion of bile.

Antibiotic

An agent that inhibits the growth or multiplication of, or kills, a living organism; usually used in reference to bacteria or other microorganisms.

Anti-convulsant

Reducing or relieving convulsions or cramps. 

Antidepressant  

Reduces or prevents depression.

Antidiarrhoeic

Relieves diarrhea.

Antidote

Counteracts a poison.

Anti-emetic

Prevents, counteracts or alleviates nausea and vomiting.

Anti-epileptic

An agent that combats the convulsions or seizures of epilepsy.

Antifungal

An agent that inhibits the growth or multiplication of fungi, or kills them outright.

Antigalactagogue

Prevents or decreases the production of milk secretion of nursing mothers.

Antihistaminic

Neutralizing the effect or inhibiting production of histamine.

Anti-inflammatory

Reducing or neutralizing inflammation.

Anti-lithic 

Aids in preventing the formation of stones or calculus in the kidneys and bladder.

Antimicrobial
An agent that inhibits the growth or multiplication of microorganisms, or kills them.
Antineuralgic

Stops nerve pain.

Anti-oxidant

Preventing oxidation; a preservative.

Antiparasitical

Destructive to parasites.

Anti-periodic

Prevents the periodic recurrence of attacks of a disease; as in malaria.

Antiphlogistic

An agent that counteracts, reduces or prevents inflammation.

Antipruritic

Relieves or prevents itching.

Antiputrid

Stops putrefaction.

Antipyretic

Reduces fever. Same as febrifuge or refrigerant.

Anti-rheumatic

An agent that relieves or cures rheumatism.

Antisclerotic

Removes deposits from circulatory vessels.

Antiscorbutic

An agent effective in preventing scurvy.

Antiseptic

Preventing sepsis, decay, putrefaction; also, an agent that inhibits the growth of, and kills, germs, bacteria & microbes.

Antispasmodic

Relieves or prevents spasms, cramps, and convulsions.

Antisudorific

Reduces perspiration.

Anti-syphilitic

Herbs that improve or cure syphilis. Also called antileutic.

Antitoxic

Counteracts poisons.

Antitumor

Preventing or effective against tumors or cancers.

Antitussive

Preventing or relieving cough.

Antivenomous

Acts against poisonous matter from animals and snakes.

Antiviral

An agent that inhibits growth or multiplication of viruses, or kills them.

Antizymotic

Herbs that can destroy disease-producing organisms.

Aperient

A gentle purgative of the bowels.

Aperitif

Appetite stimulant.

Aphasia

Inability to express oneself properly through speech or loss of verbal comprehension; sensory and motor areas may be involved.

Aphrodisiac

Increasing or exciting sexual desire.

Apoplexy

The result of a stroke (cerbrovascular accident (CVA)).

Aromatic

Agents which emit a fragrant smell and produce a pungent taste. Used chiefly to make other medicines more palatable.

Ascaris

Roundworm (also called maw-worm and eelworm) found in the small intestine causing colicky pains and diarrhea, especially in children.

Ascites

Excessive accumulation of serous fluid in the peritoneal (abdominal) cavity.

Asthenia

Lack or loss of strength, usually involving muscular system.

Astringent

An agent that causes tissue to contract.

Bactericidal

An agent that kills bacteria.

Balsam

The resin of a tree that is healing and soothing, e.g. myrrh.

Balsamic

Softens phlegm.

Bitter tonic

Bitter-tasting properties which stimulate the flow of saliva and gastric juice. Used to increase the appetite and aid in the process of digestion.

Bolus

A suppository injected into the rectum or vagina.

Bronchodilator

Expands the spastic bronchial tube.

Calmative

An agent with mild sedative, tranquilising or calming effects.

Cardiac

Stimulates or affects the heart.

Cardioactive

Affecting the heart.

Cardiotonic

Tones the heart muscle.

Carminative

An agent that relieves and removes gas from the digestive system.

Cataplasm

Another name for poultice.

Catarrh

An inflammation of the mucous membranes with a free discharge. This has special reference to the air passages of the head and throat, e.g. hayfever, rhinitis, influenza, bronchitis, pharyngitis, asthma.

Cathartic

A powerful purgative or laxative, causing severe evacuation, with or without pain.

Cephalic

Referring to diseases affecting the head and upper part of the body.

Cholagogue

An agent that increases bile flow to the intestines.

Choleretic

Stimulates the production of bile.

Chorea

Nervous disorder marked by muscular twitching of arms, legs and face.

Cicatrisant

Helps the formation of scar tissue; healing.

CNS

Central nervous system.

Coagulant

Clots the blood.

Condiment

Enhances the flavour of food.

Cordial

A stimulating medicine or drink.

Counterirritant

An agent that produces inflammation or irritation when applied locally to affect another, usually irritated surface to stimulate circulation, e.g. a mustard plaster or liniment.

Cystitis

Inflammation of the urinary bladder.

Cytophylactic

Protects the cells of the organism.

Cytotoxic

An agent that is toxic to certain organs, tissues, or cells.

Decoction

A preparation made by boiling a plant part in water. Compare with Infusion.

Decongestant

Relieves congestion.

Demulcent  

An agent that soothes and softens irritated tissue, particularly mucous membranes.

Demulcent febrifuge

Reduces heat while building bodily fluids.

Deobstruent

Removes obstructions by opening natural passages or pores of the body.

Depurative

Tends to purify and cleanse the blood and internal organs. Same as blood purifier.

Dermatomycoses

Skin infection caused by fungi.

Detergent

An agent that cleanses boils, sores, wounds etc.

Detersive

Detergent. Cleanses wounds and sores, and promotes the formation of scar tissue.

Detoxicant

Removes toxins.

Diaphoretic

An agent that induces sweating or perspiration.

Digestant

Contains substances (i.e. ferments, acids) which aid in digestion.

Digestive

An agent that promotes digestion.

Discutient

An agent that dissolves or causes something, such as a tumor, to disappear. Also called discussive.

Disinfectant

Kills infections and disease producing microorganisms.

Diuretic

An agent that increases the secretion and elimination of urine.

Drastic

A violent purgative.

Dropsy

Generalized edema (swelling).

Dyskinesia

Defect in voluntary movement.

Dyspepsia

Indigestion.

Dyspnea

Sense of difficulty in breathing, often associated with lung or heart disease.

Ecbolic

See abortifacient.

Emetic

An agent that induces vomiting.

Emmenagogue

A substance that promotes or assists the flow of menstrual fluid.

Emollient

An agent that softens the skin, and soothes inflamed and irritated tissues, when applied locally.

Enteritis

Inflammation of the small intestine.

Enterorrhagia

Hemorrhage from the intestine.

Enuresis

Involuntary urination.

Ephidrosis

Abnormal amount of sweating.

Epigastric

Upper middle region of the abdomen.

Eructation

Belching.

Erysipelis

An acute disease of skin and subcutaneous tissue with spreading inflammation and swelling.

Esculent

Edible or fit for eating.

Estrogenic

A substance, similar to estrogen, that induces female hormonal activity.

Euphoriant

Brings on an exaggerated sense of physical and emotional well-being.

Exanthematous

Refers to any eruptive disease or fever. An herbal remedy for skin eruptions such as measles, scarlet fever etc.

Exophthalmic

Protrusion of the eyeball.

Expectorant

An agent that induces the discharge of mucous secretions from the lungs and bronchial tubes.

Farinaceous

Of the nature of flour or meal. Starchy or containing starch.

Febrifuge

That which reduces or prevents fever. Same as antipyretic or refrigerant.

Fistula

Abnormal tube like passage from a normal cavity or tube to a free surface or to another cavity.

Flux

Excessive flow or discharge. For example, in dysentery or excessive menstruation.

Fungicidal

An agent that kills fungi.

Galactagogue

Promotes or increases the secretion of milk in nursing mothers.

Gastralgia

Pain in the stomach.

Gastroenteritis

Inflammation of the stomach and intestinal tract.

Gastroptosis

Condition in which the stomach occupies an abnormally low position in the abdomen.

Germicide

Kills germs.

Gleet

A urethral discharge, either of mucus or pus; commonly seen in the chronic form of gonorrheal urethritis.

Hallucinogen

Induces hallucinations - an imagined or false sense of perception.

Hemiplegia

Paralysis of one half of the body.

Hemostatic

An agent that stops bleeding.

Hepatic

An herb that promotes the well-being of the liver and increases the secretion of bile.

Herpatic

A remedy for skin eruptions, ringworm etc.

Homeopathic

Relating to homeopathy, a system of medicine founded in the late 1700's by Samuel Hahnemann. The system is based on the principle that "like cures like". Practitioners believe that a substance that produces a set of symptoms in a well person will, in minute, "potentised" doses, cure those same symptoms in a diseased individual.

Homeostasis

Equilibrium of internal environment.

Hydrogogue

Promotes watery evacuation of bowels.

Hydrophobia

Rabies.

Hyperchlorhydria

Excess of hydrochloric acid in gastric secretion.

Hypertensive

Causing or marking a rise in blood pressure.

Hypertensor

Raises the blood pressure.

Hypnotic

Induces sleep.

Hypoglycemic

Causing a deficiency of blood sugar.

Hypotensive

Causing or marking a lowering of blood pressure.

Hypotensor

Lowers the blood pressure.

Immunostimulant

Stimulating various functions or activities of the immune system.

Infusion

A preparation made by soaking a plant part in hot water (or cold water, for a cold infusion); in essence, a "tea". Compare Decoction. 

Insecticide

Kills insects.

Intercostal

Between the ribs.

Larvicide

Kills the larvae of insects.

Laxative

A mild purgative. An herb that acts to promote evacuation of the bowels.

Leukorrhea

A whitish, viscid discharge from the vagina.

Lithotriptic

Causing the dissolution or destruction of stones in the bladder or kidneys.

Lung fever

A severe lung infection, as pneumonia.

Maturating

An agent that promotes the maturing or bringing to a head of boils, carbuncles etc.

Menorrhagia

Excessive bleeding during menstruation.

Mitogenic

An agent that affects cell division.

Monoplegia

Paralysis of a single limb or a single group of muscles.

Mortification

Gangrene.

Moxa

A dried herb substance burned on or above the skin to stimulate an acupuncture point or serve as a counterirritant. A famous technique of traditional Chinese medicine, using dried, pressed leaves of Mugwort (Artemisia vulgaris).

Mucilaginous

Pertaining to or resembling or containing mucilage: slimy. Herbs that have a soothing effect on inflamed mucous membranes.

Mydriatic

Dilates the pupil.

Narcotic

An addicting substance that reduces pain and produces sleep.

Nauseant

An herb that causes nausea and vomiting. Somewhat similar to an emetic.

Nervine

An agent that affects, strengthens, or calms & soothes the nerves.

Neurasthenia

Severe nerve weakness; nervous exhaustion.

Neurodermatitis

Inflammation of skin with itching that is associated with emotional disturbance.

Nutrient or Nutritive

Nourishing, increases weight and density.

Ophthalmic

Healing for disorders and diseases of the eye.

Ophthalmicum

A remedy for diseases of the eye.

Osteomyelitis

Inflammation of the bone, especially the marrow.

Oxyuris

Genus of nematode intestinal worms which includes pinworms (also called threadworm and seatworm).

Panacea

An agent good for what ails you, or what doesn't ail you. A "cure-all".

Parasiticide

Kills parasites.

Parturient

A substance that induces and promotes labour.

Pectoral

Relieves disorders of the chest and lungs, as an expectorant.

Phagocytosis

Ingestion and digestion of bacteria and particles by phagocytes.

Plethora

Overfullness of blood vessels or of the total quantity of any fluid in the body.

Portal

Concerning entrance to an organ, especially that through which blood is carried to liver.

Poultice

A moist, usually warm or hot mass of plant material applied to the skin, or with cloth between the skin and plant material, to effect a medicinal action.

Prophylactic

Agent which wards off disease.

Pruritis

Severe itching.

Pterygium

Opaque triangular thickening of tissue extending from inner canthus to border or cornea with apex toward the pupil of the eye.

Puerperal

Period following childbirth.

Pungent

Irritating or shapely painful. Producing a sharp sensation of taste or smell.

Purgative

An agent that causes cleansing or watery evacuation of the bowels, usually with griping (painful cramps).

Pyelitis

Inflammation of the pelvis of the kidney and its calices.

Quicksilver

An old term for mercury.

Quinsy

Peritonsillar abscess or tonsillitis.

Refrigerant

Relieves fever and thirst. A cooling remedy. Lowers body temperature.

Regenerator

Promotes new growth or repair of structures or tissues.

Rejuvenator

Assists in promoting a youthful appearance.

Relaxant

Tends to relax and relieve tension, especially muscular tension and produces relaxation.

Resolvent

Promotes the resolving and removing of swellings & abnormal growths, such as a tumour.

Restorative

Restores consciousness and/or normal physiological activity.

Rhinitis

Inflammation of nasal mucosa.

Rubefacient

An agent that causes reddening or irritation when applied to the skin.

Saponin

A glycoside compound in plants, which, when shaken with water, has a foaming or "soapy" action.

Scald head

Ringworm, or some similar affliction, of the scalp. May also refer to a disease of the hair follicles with formation of small yellow crusts and a very offensive odor; usually affects the scalp.

Scorbutic

Concerning or affected with scurvy.

Scrofula

Tuberculosis involving the lymph nodes of the neck, usually occurs in early life.

Sedative

Calms the nerves, anxiety, allays excitement, induces relaxation, promotes drowsiness and is conducive to sleep.

Sialagogue

Promotes the flow of saliva.

Sleeping disease

Sleeping sickness; commonly found in Africa. Also viral encephalitis in which lethargy is a prominent feature.

Soporific

Herbs that help to produce sleep.

Spasmolytic

Checking spasms or cramps.

Specific

A remedy having a curative effect on a particular disease or symptom.

Spermatorrhea

Abnormally frequent involuntary loss of semen without orgasm.

Spondylosis

Abnormal immobility and fixation of vertebral joints.

Stimulant

An agent that causes increased activity of another agent, cell, tissue, organ, or organism.

Stomachic

Substances which give strength and tone to the stomach. Also used to stimulate the appetite.

Strangury

A slow and painful passage of the urine due to spasm of the urethra and urinary bladder.

Styptic

Checking bleeding by contracting blood vessels.

Subcostal

Beneath the ribs.

Sudorific

Herbs that promote or increase perspiration.

Tetters

A once popular name for various eczematous skin diseases. May also refer to a skin disease of animals communicable to man with intense itching.

Tincture

A diluted alcohol solution of plant parts.

Tinea capitis

Fungal skin disease of the scalp.

Tisane

A term used frequently in Europe referring to popular herbal infusions, such as chamomile flowers  etc., which are commonly taken as a beverage or for mildly medicinal effects.

Teratogen

A substance that can cause the deformity of a fetus.

Tonic

An ambiguous term referring to a substance thought to have an overall positive medicinal effect, typically strengthening and revitalising the body or specific organs. (see adaptogenic).

Tranquiliser

Calms the nerves.

Tuberculostatic

Arresting the tubercle bacillus (the germ responsible for causing tuberculosis).

Uterotonic

Having a positive effect on an unspecified nature of the uterus.

Vasoconstrictor

An agent that causes blood vessels to constrict, or narrow the calibre.

Vasodepressant

Lowers blood pressure by dilatation of blood vessels; having a depressing influence on circulation.

Vasodilator

An agent that causes blood vessels to relax and dilate.

Vermicidal

Having worm-killing properties; an agent that kills worms; a vermifuge. Also Vermicide.

Vermifuge

Having worm-killing properties; an agent that kills intestinal worms.

Vesicant

An agent that causes blistering, such as poison ivy.

Vulnerary

An agent or herb used for healing wounds, sores, fresh cuts etc., usually used as a poultice.

Whites

See leukorrhea.

Zymotic

Caused by or pertaining to any infectious or contagious disease.