Glossary

absorption

when food that is broken down enters the bloodstream and its nutrients are put to work

actuation

the action of causing a device to deliver medication, such as pressing the top of the canister or twisting an inhaler to prepare the dose

adjunctive therapy

when another medication is given alongside or in addition to a primary medication used to treat a particular condition

adjuvant

medications with a primary use other than pain relief that have analgesic properties in some painful conditions

adrenal insufficiency

a disorder that occurs when the adrenal glands do not produce enough of certain hormones, such as cortisol

afterload

the pressure that the heart needs to contract to eject blood

akathisia

distressing motor restlessness and the need to move

amphetamines

stimulant drugs that speed up the central nervous system

aneurysm

ballooning of a blood vessel caused by weakening of the vessel wall

angina

chest pain caused by lack of blood flow (and oxygen) to cardiac cells

angina pectoris

chest pain caused by inadequate supply of blood and oxygen to an area of the heart

anhedonia 

lack of interest in activities once enjoyed

ankylosing spondylitis

an inflammatory disease that can cause some of the bones in the spine to fuse

antagonism

a decrease in the therapeutic effects of a medication

anticoagulant

a substance that opposes or prevents coagulation

antiemetic

medication used to treat nausea and vomiting

antiemetics

medications used to treat nausea and vomiting

antiplatelet

medication used to prevent platelets from adhering to each other and forming blood clots

antipyretic

medication used to reduce fevers

antitussive

medication used to treat a cough

arrhythmia

irregular heart rhythm

arteriosclerosis

hardening of the arteries

arthroplasty

joint replacement surgery

atherosclerosis

hardened with plaque

atrial fibrillation

irregular and fast heartbeat that can lead to other pathologies

bactericidal

antibiotics that kill bacteria

bacteriostatic

antibiotics that fight off bacteria by slowing their growth

Black Box Warnings

the strictest labeling requirements the FDA can mandate for prescription medications, often because of potential adverse effects that can occur when a medication is taken

blood clots

gel-like clumps of blood

bradycardia

slow heart rate

brand names

drug names that are created by drug companies; vary worldwide

broad spectrum

antibiotics that work for many types of bacterial infections

broad-spectrum

antibiotics that work for many types of bacterial infections

bronchoconstriction

narrowing of the bronchioles

bronchoconstrictive

narrowing of the bronchioles

bronchodilation

opening or widening of the bronchioles

bronchospasm

when the muscles that surround the bronchi tighten

bronchospasms

when the muscles that surround the bronchi tighten

carcinogenic

cancer causing or producing

cardiac arrest

heart stops beating suddenly

cerebrovascular accident

a stroke; often abbreviated as CVA

chemical digestion

when digestive secretions break down complex food molecules into their chemical building blocks

chronic kidney disease

the kidneys are damaged and no longer work properly

coagulation

the formation of a thrombus or blood clot

cognitive behavioural therapy

a form of structured, time-limited, problem-focused, and goal-oriented therapy

Compendium of Pharmaceuticals and Specialties (CPS)

a resource for referencing drug information

conjunctivitis

an inflammation of the conjunctiva, causing watery, red, and swollen eyes; also known as "pink eye"

coronary artery disease

disease caused by plaque buildup in the arteries

COX enzyme

an enzyme that helps create the chemical prostaglandin

defecation

when undigested materials are removed from the body as feces

delusions

fixed false beliefs that cannot be changed through reasoning

diaphoresis

sweating

Diskus device

a type of inhaler device that contains medication in powder form that is inhaled into the lungs

diuresis

increase in urine output

diuretic

medication that promotes polyuria (increased urine output)

dysmenorrhea

painful menstruation

dyspnea

shortness of breath or difficulty breathing

dystonia

painful muscle spasms

ECG

electrocardiogram

edema

swelling in the body, often in the lower limbs

electroconvulsive therapy

a procedure, done under general anesthesia, in which small electric currents are passed through the brain to intentionally trigger a brief seizure

electroencephalogram

a record of the electricity in the brain; abbreviated as EEG

emboli

small pieces of a blood clot that break off; singular form is embolus

embolus

small piece of a blood clot that breaks off; plural form is emboli

endogenous

originating from within an organism

euphoria

a feeling or state of intense excitement and happiness

fat

also known as a lipid

fibrillation

an uncoordinated beating of the heart

flat affect

lack of observable expressions of emotions, monotone voice, expressionless face, and immobile body

generic names

standard drug names known worldwide

glial cells

a type of cell that provides physical and chemical support to neurons and maintains their environment

gout

the build-up of uric acid within a joint

H. pylori

a type of bacteria that can cause peptic ulcers

hallucinations

hearing, seeing, smelling, tasting, or feeling touched by things that are not there

HandiHaler

an egg-shaped inhaler device used to deliver medication into the lungs; the medication is inserted into the inhaler in capsule form

heart attack

myocardial infarction; abbreviated as MI

heart failure

failure of the heart to pump well; the heart becomes weakened and can't supply the cells with enough blood

Helicobacter pylori

a type of bacteria that can cause peptic ulcers

hematocrit

the percentage of red blood cells in blood

hematopoiesis

the formation of blood cellular components

hemoglobin

the oxygen-carrying compound in erythrocytes (red blood cells)

hemorrhagic

bleeding caused by blood vessel rupture

homeostasis

the steady state of body systems that living organisms maintain

hyperglycemia

high blood sugar

hyperlipidemia

high lipid levels in the blood

hypertension

high blood pressure

hypertensive

having high blood pressure

hyperthyroidism

a condition in which the thyroid gland produces too much of certain hormones (T3 and T4)

hypoglycemia

low blood sugar

hypokalemia

low potassium levels

hyponatremia

low sodium levels in the blood

hypothyroidism

a condition in which the thyroid gland doesn't produce enough of certain hormones (T3 and T4)

hypoxia

decreased supply of oxygen to the tissues

incontinence

the inability to hold urine or control urination

ingestion

entry of food into the alimentary canal through the mouth

inhibition

the action of restricting or hindering a process

international normalized ratio

a test that measures the time required for blood to clot; abbreviated as INR

intramuscularly

injected into the muscle

intravenous

pertaining to within the vein

intravenously

pertaining to within the vein

ischemia

reduced blood flow to the tissue region “downstream” of a narrowed vessel

ketoacidosis

a serious complication from diabetes that results from the body breaking down fat as fuel, which causes a build-up of acids called ketones in the bloodstream and can be life threatening

lymphocyte

a type of white blood cell involved in immune function

lymphocytes

white blood cells involved in immune function

mania

extreme emotional highs; often associated with bipolar disorder

mastication

chewing

mechanical digestion

the purely physical process of breaking food down

medulla oblongata

lower part of the brain that controls such functions as heart rate, breathing, and blood pressure

metered dose inhaler

an inhaler that delivers medication by inhalation into the lungs; sometimes called a "puffer"

myelin

the fatty substance that surrounds and insulates the nerve fibres

myocardial infarction

heart attack

myoglobinemia

the presence of myoglobin in the blood; often seen with excessive exercise

narcotic

a type of analgesic medication that is available with a prescription, is highly regulated, and is used to treat moderate to severe pain

narcotics

analgesic medications that are available with a prescription, are highly regulated, and are used to treat moderate to severe pain

narrow-spectrum

antibiotics that target only specific types of bacterial pathogens

nausea 

the feeling of being sick to your stomach

nebule

a small ampoule of liquid medication that is used with a nebulizer

nebulizer

a device that turns liquid medication into a mist that is inhaled into the lungs using a facemask

neuropathic

disease caused by damage or injury to the nerves

neuropathy

disease of the nerves

neurotransmitters

chemical messengers in the body

nociceptors

nerve endings that respond to painful stimuli

non-narcotic

analgesic medications that are often available without a prescription and are used to treat mild to moderate pain

nucleus

a membrane-enclosed organelle within a cell that contains the chromosomes

onychomycosis

fungal infection of the nail

organelles

small structures in a cell that are surrounded by a membrane and have a specific function

orthostatic hypotension

a decrease in blood pressure when moving from a sitting to a standing position

osteoblasts

bone-building cells

osteoclasts

cells that eat away bone

paroxysmal supraventricular tachycardia

a type of arrhythmia that presents with a regular but rapid heartbeat that starts and stops abruptly

partial thromboplastin time

a blood test that looks at how long it takes for blood to clot; abbreviated as PTT

pathogen

an organism that causes disease to its host

pathogens

organisms that cause disease to their host

peripheral arterial disease

obstruction of the vessels in peripheral regions of the body

peripheral artery disease

obstruction of blood vessels in peripheral regions of the body

peripheral edema

swelling of the limbs, usually the legs

peristalsis

the contraction and relaxation of muscles that move in a wave down a tube, for example, in the intestines

peritonitis

inflammation of the peritoneum

pharmacology

the science that deals with the actions of medications on the body

photophobia

eye discomfort in bright light; sensitivity to light

platelet aggregation

blood clotting

polyuria

urinating more than usual or producing an abnormal amount of urine

poverty of speech

a psychological condition in which a person speaks minimally or makes only brief replies

priapism

prolonged erection of the penis

PRN

abbreviation for "as needed"

propulsion

the movement of food through the digestive tract

prostaglandins

a group of lipids that are made at sites of tissue damage or infection

prothrombin time

a test that evaluates blood clotting

psychotherapy

also known as "talk therapy"; a way to help people with a broad variety of mental illnesses and various emotional difficulties

pulmonary edema

excess fluid in the lungs

pulmonary embolism

a blood clot in the lungs

retinopathy

disease of the retina

SA node

sinoatrial node, which is responsible for the contraction of the atria

Schedule IV

a medication with a low potential for abuse

sinus rhythm

normal sinus rhythm is a regular heartbeat

spacer

a plastic device attached to an inhaler that holds the medication while the patient inhales the entire dose

spasticity

increase in muscle tone or stiffness

stroke

a cerebrovascular accident (CVA)

subcutaneously

under all the layers of the skin

sublingual

under the tongue

sublingually

under the tongue

supraventricular tachycardia

irregular heart rhythm

synapse

the point of contact between neurons where information is passed from one neuron to the next

syncope

fainting

synergism

an increase in the therapeutic effects of a medication

tachycardia

increased heart rate

tapered

slowly lowering the dose of a medication

thrombolytic

medications used to dissolve a major clot quickly

thrombus

a blood clot that forms in a vein or artery

thyroidectomy

removal of the thyroid

tinea corporis

superficial skin infection

tonic  

a state of continuous activity

tonic-clonic

a seizure characterized by a jerking (clonic) phase followed by the muscles becoming tense or rigid (tonic)

transient ischemic attack

also know as a mini-stroke; often abbreviated as TIA

Turbuhaler

an inhaler device that contains a powdered medication that is inhaled into the lungs

tyramine

an amino acid that helps regulate blood pressure; found in dried fruit such as raisins, apricots, and prunes, as well as in oranges, grapefruit, lemons, limes, and pineapples

vasculitis

inflammation of the blood vessels

vasodilation

widening of the blood vessels

ventricular dysrhythmia

irregular heartbeat in the ventricles

viscosity

thickness or consistency

viscous

having a thick, sticky consistency between solid and liquid

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The Language of Medical Terminology II Copyright © 2023 by Susanne Erickson and Lisa Sturdy is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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