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Medical Terminology Chap 9
Medical Terminology Chapter 9 The Respiratory System
152
Medical
Undergraduate 1
07/15/2010

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Term
alveol/o
Definition
air sac, alveolus
Term
bronch/o
Definition
airway, bronchus
Term
hem/o, hemat/o
Definition
blood
Term
laryng/o
Definition
voice box, larynx
Term
lob/o
Definition
a rounded part, lobe
Term
muc/o
Definition
mucus
Term
nas/o
Definition
nose
Term
ox/o
Definition
oxygen
Term
pharyng/o
Definition
throat, pharynx
Term
phragm/o, phragmat/o
Definition
partition
Term
pleur/o
Definition
pleura, rib
Term
pneum/o, pneumon.o, pneumat/o
Definition
air, lung
Term
pulmon/o
Definition
lung
Term
rhin/o
Definition
nose
Term
sept/o
Definition
wall, partition; putrefying
Term
sinus/o
Definition
cavity
Term
thorac/o
Definition
chest, thorax
Term
trache/o
Definition
windpipe
Term
orth/o
Definition
straight
Term
-capnia
Definition
condition of carbon dioxide
Term
-oxia
Definition
condition of oxygen
Term
-phonia
Definition
condition of sound or voice
Term
-pnea
Definition
breath
Term
-ptysis
Definition
to cough up
Term
-staxis
Definition
dripping
Term
atel/o
Definition
incomplete
Term
coccidioid/o
Definition
Coccidiodes immitis organism
Term
coni/o
Definition
dust
Term
cyst/o
Definition
bladder
Term
embol/o
Definition
a plug
Term
fibr/o
Definition
fiber
Term
glott/o
Definition
opening in the windpipe
Term
myc/o
Definition
fungus
Term
pulmon/o
Definition
lung
Term
py/o
Definition
pus
Term
sphyx/o
Definition
pulse
Term
sten/o
Definition
narrow
Term
tonsill/o
Definition
almond, tonsil
Term
tubercul/o
Definition
little swelling
Term
-ectasis
Definition
expansion or dilation
Term
-genic
Definition
pertaining to producing, formation or causing
Term
aden/o
Definition
gland
Term
angi/o
Definition
blood vessel
Term
dilat/o
Definition
to widen
Term
spir/o
Definition
breathe
Term
-oid
Definition
resembling
Term
acapnia
Definition
the absence of carbon dioxide-a reduction of CO2 in exhalation indicates hyperventilation has been occurring and metabolic failure
Term
anoxia
Definition
the absence of oxygen
Term
aphonia
Definition
the absence of voice
Term
apnea
Definition
the inability to breathe or inhale
Term
bradypnea
Definition
an abnormal slowing of the breathing rhythm
Term
bronchospasm
Definition
a narrowing of the airway caused by contraction of smooth muscles in the walls of tiny tubes called bronchioles. A common sign of the respiratory asthma and can lead to apnea
Term
Cheyne-Stokes respiration
Definition
a repeated pattern of distressed breathing marked by a gradual increase of deep breathing, followed by shallow breathing and apnea. Sign of nervous dysfunction or congestive heart failure
Term
dysphonia
Definition
the symptom of a hoarse voice
Term
dyspnea
Definition
the symptom of difficult breathing, usually caused by a respiratory disease or cardiac disorder.
Term
eupnea
Definition
normal breathing rhythm
Term
epistaxis
Definition
a nosebleed-can be a sign of high blood pressure, a nasal sinus infection, inhalation of a toxic irritant or particle, or a blow to the face. AKA rhinorrhagia
Term
hemoptysis
Definition
the symptom of coughing up and spitting out blood
Term
hemothorax
Definition
the pooling of blood within the peural cavity surrounding the lungs
Term
hypercapnia
Definition
excessive levels of CO2 in the blood
Term
hypocapnia
Definition
blood CO2 levels are deficient or low
Term
hyperpnea
Definition
a sign of abnormally deep breathing or an abnormally high rate of breathing-common to people suffering from emphysema, also common symptom of heart failure and panic attacks.
Term
hypervenilation
Definition
abnormally rapid breathing, common in asthma sufferers
Term
hypopnea
Definition
abnormally shallow breathing
Term
hypoventilation
Definition
a reduced breathing rhythm that fails to meet the body's gas exchange demands
Term
hypoxemia
Definition
abnormally low levels of oxygen in the blood, a sign of respiratory deficiency
Term
hypoxia
Definition
the sign of abnormally low levels of oxygen throughout the body
Term
laryngospasm
Definition
the closure of the glottis; the opening into the larynx, due to muscular contractions of the throat
Term
orthopnea
Definition
the limited ability to breathe when laying down, which becomes relieved when sitting upright
Term
paroxysm
Definition
a sudden, sharp reoccurrence of symptoms or a convulsion
Term
sputum
Definition
an expectorated (coughed out from the lungs) matter, contains mucus, inhaled particulates, and sometimes pus or blood. Often a symptom of respiratory diseases
Term
tachypnea
Definition
rapid breathing
Term
thoracalgia
Definition
the symptom of pain in the chest region. Aka, thoracodynia
Term
asphyxia
Definition
the absence of respiratory ventilation, or suffocation
Term
asthma
Definition
a condition of the lungs characterized by widespread narrowing of the bronchioles and formation of mucous plugs. Symptoms: wheezing, shortness of breath, chest pain, and frequent coughing during an episode. Regarded as an inflammatory response to an allergic substance by the lungs
Term
Asthmatic bronchitis
Definition
asthma complicated with bronchitis
Term
atelectasis
Definition
the alveoli collaspe (no air is retained and the lung collaspes) preventing air from entering
Term
bronchiectasis
Definition
the abnormal dilation of the bronchi-commonly seen in infants and young children
Term
bronchitis
Definition
inflammation of the bronchi. Acute bronchitis associated with a respiratory tract infection, w symptoms of coughing, chest pain, and sputum. Chronic bronchitis caused by smoking or allergies
Term
bronchogenic carcinoma
Definition
an aggressive form of cancer arising from cells within the bronchi
Term
bronchopneumonia
Definition
an acute inflammatory disease involving the bronchioles and the alveoli. Usually caused by a bacterial infection that involves the bronchi and the soft tissue of the lungs, causing the alveoli to fill with fluid (exudate) that leads to loss of air space.
Term
lobar pneumonia
Definition
bronchopneumonia within the lobe of a lung
Term
chronic obstructive pulmonary disease
Definition
a general term for obstruction of air flow to and from the lungs as a consequence of several pulmonary diseases, including chronic bronchitis, bronchospasm, cystic fibrosis, and emphysema
Term
coccidioidomycosis
Definition
a fungal infection of the upper respiratory tract, which often spreads to the lungs and other organs. Aka valley fever. Caused by inhaling the spores of a fungal pathogen
Term
coryza
Definition
a virus that causes the common cold by infecting the upper respiratory tract and causing local inflammation. Aka rhinitis
Term
croup
Definition
a viral infectious disease that is common among infants and young children. Produces a characteristic hoarse cough that is a result of the acute obstruction of the larynx. Clinical term: laryngotracheobronchitis or LTB
Term
cystic fibrosis (CF)
Definition
a hereditary disease characterized by excess mucus production in the respiratory tract, digestive tract, and elsewhere. CF causes difficulty breathing because of the dense mucus that obstructs the airways
Term
emphysema
Definition
a chronic lung disease characterized by the symptoms of dyspnea, a chronic cough, formation of a barrel chest due to labored breathing, and a gradual deterioration caused by chronic hypoxemia and hypercapnia. Symptoms arise when alveolar walls deteriorate, resulting in a loss of elasticity that causes an inability to breathe. Smoking is the leading cause
Term
epiglottitis
Definition
inflammation of the epiglottis-usually caused by a bacterial infection that spreads from the throat to the epiglottis
Term
laryngitis
Definition
inflammation of the larynx-characterized by the symptom of dysphonia
Term
legionellosis
Definition
a form of pneumonia that is caused by the bacterium legionella pneumophilia. Aka legionnaire's disease
Term
lung cancer
Definition
aka adenocarcinoma of the lung. Cancer that arising from the soft tissues of the lung. 2 types: small-cell and non-small-cell. Most common cause is chronic exposure to tobacco smoke
Term
nasopharyngitis
Definition
inflammation of the nose and pharynx-caused by an allergic reaction or bacterial or viral infection
Term
pertussis
Definition
an acute infectious disease characterized by inflammation of the larynx, trachea, and bronchi that produces spasmodic coughing. Aka whooping cough because of the noise produced at the end of a cough when the larynx spasms. Can be fatal if not treated due to exhaustive coughing and obstructed airflow
Term
pharyngitis
Definition
inflammation of the pharynx-commonly called sore throat
Term
pleural effusion
Definition
effusion refers to the leakage of fluid. in pleural effusion, fluid leaks into the pleural cavity- occurs as a response by the body to injury or infection of the pleural membranes
Term
pleuritis
Definition
inflammation of the pleural membranes. Aka pleurisy
Term
pleuropneumonia
Definition
a disease characterized by inflammation of the pleural membranes and the lungs
Term
pneumoconiosis
Definition
inflammation of the lungs caused by the chronic inhalation of fine particles. the inflammation leads to the formation of a fibrotic tissue around alveoli, reducing their ability to stretch with incoming air, which impedes the efficiency of gas exchange-common forms: asbestosis and silicosis
Term
pneumonia
Definition
inflammation of soft lung tissue (excluding the bronchi) that results in the formation of exudate (fluid) within alveoli. The exudate impedes the efficiency of gas exchange. Caused by bacterial, viral or fungal pathogens.
Term
pneumonitis
Definition
an inflammatory condition of the lungs that is independent of a particular cause. Often associated with pulmonary edema-the accumulation of fluid within the lungs outside the alveoli
Term
pneumothorax
Definition
the abnormal presence of air or gas within the pleural cavity-caused by a penetrating injury to the chest or severe coughing and leads to atelectasis
Term
pulmonary edema
Definition
the accumulation of fluid within the tiny air sacs within the lungs (the alveoli) that is a response to infection or injury. Common cause: cardiovascular disease
Term
pulmonary embolism (PE)
Definition
a blockage in the pulmonary circulation by a blood clot. Is a complication of an injury or surgery.
Term
pyothorax
Definition
the presence of pus in the pleural cavity. aka empyema
Term
respiratory distress syndrome (RDS)
Definition
a respiratory disease characterized by atelectasis.
Term
Neonatal respiratory distress syndrome (NRDS)
Definition
A form of respiratory distress that affects newborns- neonatal respiratory distress syndrome (NRDS) or hyaline membrane disease (HMD). Caused by insufficient surfactant, a substance produced by alveolar cells that prevents atelectasis.
Term
adult (or acute) respiratory distress syndrome (ARDS)
Definition
a form of RDS that affects adults-caused by severe lung infections or infury
Term
rhinitis
Definition
inflammation of the mucous membrane lining the nasal cavity
Term
severe acute respiratory syndrome (SARS)
Definition
a severe, rapid-onset viral infection resulting in respiratory distress that includes acute lung inflammation, alveolar damage, and atelectasis. Usually caused by the influenza virus and can be fatal
Term
sinusitis
Definition
an inflammation of the mucous membranes-it affects the nasal cavity and the paranasal sinuses
Term
tonsillitis
Definition
inflammation of one or more tonsils
Term
tracheitis
Definition
inflammation of the trachea-usually caused by a bacterial infection that travels downward from the larynx. inflammation leads to a narrowing of the trachea-tracheostenosis
Term
tuberculosis (TB)
Definition
infection of the lungs by the bacterium Mycobacterium tuberculosis. The little swelling or tubercle, is a colony of bacteria within the soft tissue of the lung that forms a hardened barrier, preventing white blood cells from entering and destroying the bacteria. The colonies multiply till necrosis and inflammation overwhelm the gas exchange function.
Term
upper respiratory infection (URI)
Definition
a generalized infection of the upper respiratory tract (nasal cavity, pharynx, and larynx
Term
acid-fast bacilli smear (AFB)
Definition
a clinical test performed on sputum to identify the presence of bacteria that react to acid-frequently used with chest x-rays to diagnose TB
Term
adenoidectomy
Definition
a pharyngeal tonsil=adenoid. a surgical removal a chronically inflamed adenoid to avoid complications including obstruction of the nasopharynx
Term
antihistamine
Definition
a histamine is a compound released by certain cells in response to allergens that cause bronchial constriction and blood vessel dilation. This dilation increases the movement of plasma out of capillaries and into interstitial space, resulting in edema. Antihistamines inhibit the effects of histamines
Term
arterial blood gases (ABGs)
Definition
a clinical test on arterial blood to identify the levels of oxygen and CO2.
Term
aspiration
Definition
the removal of fluid, air, or foreign bodies with suction
Term
auscultation
Definition
a procedure that involves listening to sounds within the body as part of a physical examination-often with the aid of a stethoscope
Term
bronchodilation
Definition
a procedure that uses a bronchodilating agent in an inhaler to reduce bronchial constriction in an effort to open the airway and improve breathing
Term
bronchography
Definition
the x-ray imaging of the bronchi-the image called bronchogram. Uses a contrast medium to highlight the bronchial tree-being replaced by bronchoscopy and CAT scans
Term
bronchoscopy
Definition
the evaluation of the bronchi using a flexible fiber-optic viewing tube (bronchoscope), inserted through the nose
Term
Chest CT scan
Definition
diagnostic imaging of the chest by a computed tomography (CT) instrument-used to diagnose respiratory tumors, pleural effusions, pleuritis, and other disease by providing 3D images of the thoracic cavity
Term
Chest x-ray (CXR)
Definition
an x-ray image of the thoracic cavity that is used to diagnose tuberculosis, tumors, and other lung conditions. Aka chest radiograph
Term
ear, nose, and throat specialist (ENT)
Definition
a physician specializing in the treatment of upper respiratory tract disease
Term
endotracheal
Definition
insertion of a noncollapsible breathing tube into the trachea through the nose or mouth=endotracheal intubation. Performed to open the airway and/or to keep the airway open
Term
expectorant
Definition
a drug that breaks up mucus and promotes the coughing reflex to expel the mucus
Term
incentive spirometry
Definition
a postoperative breathing therapy-involves the use of a portable spirometer to promote deeper breathing to improve lung expansion after an operation-reduces pulmonary complications and helps correct atelectasis
Term
laryngectomy
Definition
surgical removal of the larynx-treatment for laryngeal cancer. Usually followed by training or insertion of a device to enable patient to communicate orally
Term
laryngoscopy
Definition
a diagnostic procedure that uses a modified endoscope (laryngoscope) to visually examine the larynx
Term
laryngotracheotomy
Definition
a surgical incision into the larynx and trachea performed to create a second opening for inspiration and expiration-air bypasses URT
Term
lobectomy
Definition
surgical removal of a single lobe of a lung
Term
mechanical ventilation
Definition
a medical treatment to provide supplemental oxygen to patients in respiratory distress-provides assisted breathing using a ventilator which pushes air into the patient's airway
Term
nebulizer
Definition
a device used to convert a liquid medication to a mist and deliver it to the lungs with the aid of deep inhalation
Term
oximetry
Definition
the procedure that measures oxygen levels in the blood
Term
pleurocentesis
Definition
the surgical puncture and aspiration of fluid from the pleural cavity. The fluid is analyzed for presence of bacteria and white blood cells (could indicate pleuritis). Aka thoracentesis or thoracocentesis
Term
pneumonectomy
Definition
the surgical removal of a lung
Term
pulmonary angiography
Definition
a diagnostic procedure that evaluates the blood circulation of the lungs- X-rays with contrast medium show pulmonary circulation
Term
pulmonary function tests
Definition
a series of tests performed to determin the cause of lung disease by evaluating lung capacity through the use of spirometry, which involves breathing into a tube connected to a spirometer. This meter measures the amount of air inhaled and exhaled after a normal breathing cycle (tidal vol.) and other measures.
Term
pulmonologist
Definition
a physician specializing in the treatment of diseases affecting the lower respiratory tract, particularly the lungs
Term
resuscitation
Definition
artificial respiration that is used to restore breathing. Includes CPR
Term
rhinoplasty
Definition
the surgical repair of a nose-can be cosmetic. Can include septoplasty during which deviation of the nasal septum is corrected to improve breathing
Term
TB skin test (aka PPD skin test and Mantoux skin test)
Definition
a skin test to determine the presence of TB infection. A purified protein derivative (PPD) sample of the TB bacillis is injected beneath the epidermis of the skin. Pos-red and swollen to a certain measurement indicates possible infection
Term
thoracentesis
Definition
surgical puncture using a needle and a syringe into the thoracic cavity to aspirate pleural fluid for diagnosis and treatment-see pleurocentesis
Term
thoracostomy
Definition
surgical puncture into the chest cavity, usually for the insertion of a drainage or air tube
Term
thoractomy
Definition
a surgical incision into the chest wall-often used to treat pleural effusion by draining excess fluid from the pleural cavity
Term
tracheoplasty
Definition
surgical repair of the trachea
Term
tracheostomy
Definition
surgical creation of an opening into the trachea, usually for the insertion of a breathing tube
Term
tracheotomy
Definition
surgical incision into the trachea
Term
ventilation-perfusion scanning (VPS)
Definition
a diagnostic tool that uses nuclear medicine or radioactive material to evaluate pulmonary function-can identify pulmonary embolism and edema. Aka lung scan and V/Q scan
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