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The Respiratory System
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167
Veterinary Medicine
12th Grade
03/25/2013

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Term
Respiratory system
Definition
the body system that brings oxygen from the air into the body for delivery via the blood to the cells
Term
respiration
Definition
the diffusion of gases between the atmosphere and the cells of the body
Term
ventilation
Definition
the intake of fresh air
Term
upper respiratory tract
Definition
the part of the respiratory system that consists of the nose, mouth, pharynx, epiglottis, and larynx
Term
lower respiratory tract
Definition
the part of the respiratory system that consists of the trachea, bronchial tree and lungs
Term
nose
Definition
the entrance and exit of air
Term
nas/o and rhin/o
Definition
combining forms for nose
Term
nostrils or nares
Definition
the paired external openings of the respiratory tract
Term
endotherms
Definition
"warm-blooded" animals
Term
nasal turbinates
Definition
scroll-like covered with highly vascular mucous membranes
Term
meat/o
Definition
combining form for opening or passageway
Term
nasogastric tube
Definition
tube that passes through the nose and down to the stomach
Term
vestibule
Definition
front part pf the nostrils and nasal cavity
Term
sept/o
Definition
combining form for partition
Term
mucous membrane
Definition
a specialized form of epithelial tissue that secretes mucus
Term
mucus
Definition
slime-like substance that is composed of glandular secretions
Term
cilia
Definition
thins hairs located inside the nostrils; remove debris
Term
olfactory receptors
Definition
are responsible for the sense of smell; are nerve endings located in the mucous membranes in the nasal cavity
Term
tonsils
Definition
lymphatic tissue that protect the nasal cavity and upper throat
Term
tonsill/o
Definition
combining form for tonsil
Term
sinus
Definition
an air-filled or fluid-filled space within the bone
Term
sinus/o
Definition
combining form for sinus
Term
pharynx
Definition
common passageway for the upper respiratory and gastrointestinal tracts
Term
pharyng/o
Definition
combing form for throat
Term
What are the three divisions of the pharynx?
Definition
nasopharynx, oropharynx, laryngopharynx
Term
nasopharynx
Definition
portion of the throat posterior to the nasal cavity and above the soft palate
Term
oropharynx
Definition
portion of the throat between the soft palate and epiglottis
Term
laryngopharynx
Definition
portion of the throat below the epiglottis that opens into the voice box and esophagus
Term
soft palate
Definition
moves dorsally and caudally to close off the nasopharynx to prevent food from going into the noise
Term
palat/o
Definition
combining form for palate
Term
epiglottis
Definition
acts like a lid and covers the larynx during swallowing
Term
epiglott/o
Definition
combining form for epiglottis
Term
larynx
Definition
part of the respiratory system located between the pharynx and trachea; commonly called the voice box; contains vocal cords
Term
vocal cords
Definition
paired membranous bands in the larynx that help produce sound
Term
laryng/o
Definition
combining form for the voice box
Term
glottis
Definition
vocal apparatus; consists of vocal cords and the space between them
Term
glott/o
Definition
combining form for glottis
Term
syrinx
Definition
vocal apparatus of avian species; located between the trachea and bronchi
Term
trachea
Definition
commonly referred to as the windpipe; extends from the neck to the chest
Term
trache/o
Definition
combining form for the windpipe/trachea
Term
tracheal bifurcation
Definition
the location where the bottom of the trachea divides into two branches
Term
bronchi
Definition
braches of the trachea
Term
bronch/o
Definition
combining form for bronchi
Term
bronchial tree
Definition
the continual division appears similar to a tree and its branches
Term
principal bronchus
Definition
the separate lung that originates from each bronchus
Term
alveoli
Definition
air sacs in which most of the gas exchange occurs
they have thin, flexible membrane walls that are surrounded by a network of microscopic capillaries
Term
alveolus
Definition
small grape-like cluster at the end of each bronchiole; connected to the bronchiole via an alveolar duct
Term
surfactant
Definition
liquid that reduces alveolar surface tension; prevents collapse of the alveoli during expiration
Term
cost/o
Definition
combining form meaning ribs
Term
thorac/o
Definition
combining form for chest cavity or chest
Term
-thorax
Definition
suffix meaning chest cavity or chest
Term
lung
Definition
main organ of respiration; composed of divisions called lobes
Term
lobe
Definition
well-defined portion of an organ and is used in describing areas in the lung, liver and other organs
Term
pneum/o, pneumon/o, and pneu
Definition
combining form meaning lung or air
Term
pulm/o and pulmon/o
Definition
combining form meaning lung
Term
parenchyma
Definition
refers to the functional elements of an organ, as opposed to its framework (stroma)
Term
stroma
Definition
framework
Term
mediastinum
Definition
region between the lungs; houses the heart, aorta, lymph nodes, esophagus, trachea, part of the bronchial tubes, nerves, thoracic duct, and thymus
Term
pleura
Definition
membranous sac that encases each lung
Term
pleur/o
Definition
combining form meaning pleura
Term
parietal pleura
Definition
the outer layer of the membrane lining the inner wall of the thoracic cavity
Term
visceral pleura
Definition
the inner layer of the membrane lining the outside of the lung
Term
pleural space
Definition
the airtight potential space between the parietal pleura and visceral pleura; contains pleural fluid which prevents friction between the membranes rub together during respiration
Term
diaphragm
Definition
separation between the thoracic and peritoneal cavities
Term
dia-
Definition
prefix meaning across
Term
phragm/o
Definition
combining form meaning wall
Term
diaphragmat/o and phren/o
Definition
combining form meaning diaphragm
Term
diaphragmatic hernia
Definition
an abnormal displacement of organs through the muscle separating the chest and abdomen
Term
inhalation or inspiration
Definition
drawing in of breath
Term
exhalation or expiration
Definition
release of breath
Term
spir/o
Definition
combining form meaning breath or breathing
Term
-pnea
Definition
suffix meaning breathing
Term
apnea
Definition
absence of breathing
Term
dyspnea
Definition
difficult or labored breathing
Term
bradypnea
Definition
abnormally slow respiratory rates
Term
tachypnea
Definition
abnormally rapid respiratory rates
Term
hyperpnea
Definition
abnormal increase in the rate and depth of respiration
Term
hypopnea
Definition
abnormally slow and shallow respirations
Term
hyperventilation
Definition
abnormally rapid deep breathing, which results in decreased levels of cellular carbon dioxide
Term
agonal breathng
Definition
respirations near death or extreme suffering
Term
ox/i, ox/o, and ox/y
Definition
refer to O2
Term
capn/o
Definition
refers to carbon dioxide
Term
hypoxia
Definition
an inadequate supply of oxygen to tissue despite an adequate blood supply
Term
hypercapnia
Definition
excessive amounts of carbon dioxide levels in the blood
Term
hyperventillation
Definition
an abnormal increase in the rate or depth of breathing
Term
hypocapnia
Definition
decrease in the carbon dioxide levels in the blood
Term
respiratory acidosis
Definition
a condition that results in a lower PH level in the blood due to an excessive amount of carbon dioxide in the blood
Term
respiratory alkalosis
Definition
a condition that results in a higher PH level in the blood due to a low amount of carbon dioxide in the blood
Term
ausculation
Definition
act of listening
Term
adventitious sounds
Definition
pathologic respiratory sounds
Term
bubbling
Definition
sound of popping bubbles that suggests fluid accumulation
Term
crepitation
Definition
fine or coarse interrupted crackling noises coming from collapsed or fluid-filled alveoli during inspiration
Term
decreased lung sounds
Definition
less or no sound of air movement, suggesting consolidation
Term
percussion
Definition
diagnostic procedure used to determine density in which sound is produced by tapping various body surfaces with the finger or an instrument
Term
respiratory rate
Definition
number of respirations per minute
Term
rhonchi
Definition
abnormal, continuous, musical, high-pitched whistling sounds heard during inspiration; also called wheezes
Term
stridor
Definition
snoring, squeaking, or whistling that suggests airway narrowing
Term
vesicular sounds
Definition
sound resulting from air passing through small bronchi and alveoli
Term
bronchoalveolar lavage
Definition
collection of fluid or mucus from the lower respiratory tract via an endoscope or though an endotracheal tube inserted as far down the trachea as possible before infusing fluid and aspirating a sample
Term
bronchoscopy
Definition
visual examination of the bronchus
Term
laryngoscopy
Definition
visual examination of the voice box
Term
phlegm
Definition
thick mucus secreted by the respiratory lining
Term
sputum
Definition
mucus secretion from the lower respiratory tract
Term
radiography
Definition
image of internal structures created by exposure of sensitized film to X-rays
Term
spirometer
Definition
instrument used to measure air taken in and out of the lungs
Term
thoracocentesis
Definition
puncture of the chest wall with a needle to obtain fluid from the pleural cavity
Term
tracheal wash
Definition
collection of fluid or mucus from the trachea via an endotracheal tube to assess respiratory disease
Term
trephination
Definition
insertion of a hole-boring instrument into a sinus to establish fluid drainage or to allow access to the roots of the teeth
Term
anoxia
Definition
absence of oxygen
Term
asphyxiation
Definition
interruption of breathing resulting in lack of oxygen
Term
aspiration
Definition
inhalation of a foreign substance into the upper respiratory tract
Term
asthma
Definition
chronic allergic disorder
Term
atelectasis
Definition
incomplete expansion of the alveoli
Term
bronchiectasis
Definition
dilation of the bronchi
Term
sequela
Definition
a condition following as a consequence of a disease
Term
bronchitis
Definition
inflammation of the bronchi
Term
bronchopneumonia
Definition
abnormal condition of the bronchi and lung
Term
chronic obstructive pulmonary disease
Definition
general term for abnormal conditioned in equine species in which expiratory flow is slowed
Term
cyanosis
Definition
abnormal condition of blue discoloration
Term
emphysema
Definition
chronic lung disease caused by enlargement of the alveoli or changes in the alveolar wall
Term
epistaxis
Definition
nosebleed
Term
equine laryngeal hemiplegia
Definition
disorder of horses that is characterized by abnormal inspiratory noise during exercise associated with degeneration of the left recurrent laryngeal nerve and atrophy of the laryngeal muscles
Term
hemoptysis
Definition
splitting of blood from the lower respiratory tract
Term
inflammation
Definition
localized protective response to destroy, dilut, or wall off injury; classical signs are heat, redness, swelling, pain and loss of functions
Term
laryngitis
Definition
inflammation of the voice box
Term
laryngoplegia
Definition
paralysis of the voice box
Term
laryngospasm
Definition
sudden fluttering or closure of the voice box
Term
pharyngitis
Definition
inflammation of the throat
Term
phonation
Definition
act of producing sound
Term
pleural effusion
Definition
abnormal accumulation of fluid in the pleural space
Term
pleurisy
Definition
inflammation of the pleura
Term
pleuropneumonia
Definition
abnormal condition of the pleura and the lung (usually involving inflammation and congestion)
Term
pneumonia
Definition
abnormal condition of he lung that usually involves inflammation and congestion of the lung
Term
pneumothorax
Definition
abnormal accumulation of air or gas in the chest cavity
Term
polyp
Definition
growth or mass protruding from a mucous membrane
Term
pulmonary edema
Definition
accumulation of fluid in the lung tissue
Term
pulmonary fibrosis
Definition
abnormal formation of fibers in the alveolar walls
Term
pyothorax
Definition
accumulation of pus in the chest cavity
Term
rhinitis
Definition
inflammation of the nasal mucous membranes
Term
rhinopneumonitis
Definition
inflammation of the nasal mucous membranes and the lungs
Term
rhinorrhea
Definition
nasal discharge
Term
sinusitis
Definition
inflammation of a sinus
Term
snuffles
Definition
common term for upper respiratory disease of rabbits
Term
stenotic nares
Definition
narrowed nostrils that reduce airway flow
Term
tracheitis
Definition
inflammation of the windpipe
Term
upper respiratory infection
Definition
invasion of the nose, mouth, pharynx, epiglottis, larynx, or trachea by pathogenic organisms
Term
cough
Definition
sudden, noisy expulsion of air from the lungs
Term
paroxysmal
Definition
spasmlike and sudden
Term
bronchoconstrictors
Definition
substances that narrow the openings into the lung
Term
bronchodilators
Definition
substances that expand the openings into the lung
Term
mucolytics
Definition
substances used to breakdown mucus
Term
antitussives
Definition
substances used to control or prevent coughing
Term
chest tube
Definition
hollow device inserted into the thoracic cavity to remove fluid or gas
Term
endotracheal intubation
Definition
passage of a tube through the oral cavity, pharynx, and larynx, into the windpipe
Term
laryngectomy
Definition
surgical removal of the voice box
Term
laryngoplasty
Definition
surgical repair of the voice box
Term
lobectomy
Definition
surgical removal of the lobe
Term
pharyngoplasty
Definition
surgical repair of the throat
Term
pharyngostomy
Definition
surgical creation of an opening into the throat
Term
pharyngotomy
Definition
surgical incision into the throat
Term
pleurectomy
Definition
surgical removal of all or part of the pleura
Term
pneumonectomy
Definition
surgical removal of lung tissue
Term
sinusotomy
Definition
surgical incision into a sinus
Term
thoracotomy
Definition
surgical incision into the chest wall
Term
tracheoplasty
Definition
surgical repair of the windpipe
Term
tracheostomy
Definition
surgical creation of an opening into the windpipe
Term
tracheotomy
Definition
surgical incision into the windpipe
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