Med Term 7 Flashcards
brings oxygen into the body for transportation to the cells
respiratory system
consists of the nose, mouth, pharynx, epiglottis, larynx, and trachea
upper respiratory tract
consists of the bronchial tree and lungs
lower respiratory tract
cavity in which the structures of the lower respiratory tract are located
thoracic cavity
where air enters in through
the nose
a wall of cartilage that divides the nose into two equal sections
nasal septum
the thin hairs located just inside the nostrils, filter incoming air to remove debris
cilia
specialized tissues that line the respiratory, digestive, reproductive, and urinary systems
mucous membranes
secreted by the mucous membranes and protects and lubricates tissues
mucus
nerve endings that act as the receptors for the sense of smell, also help with taste, located in mucous membrane in the upper nasal cavity
olfactory receptors
form a protective circle of lymphatic tissue around the entrance to the respiratory system
tonsils
air-filled cavities lined with mucous membrane, and are located in the bones of the skull
paranasal sinuses
prefix meaning near
para-
means nose
nas/o
sinuses located in the frontal bone just above the eyebrows. infections cause pain
frontal sinuses
sinuses located in the sphenoid bone, and are close to the optic nerves and an infection can cause damage to vision
sphenoid sinuses
the largest of the paranasal sinuses and are located in the maxillary bones. can cause pain in posterior maxillary teeth
maxillary sinuses
sinuses located in the ethmoid bones, and are irregularly shaped air cells that are separated from the orbital cavity by only a thin layer of bone
ethmoid sinuses
receives the air after it passes through the nose
pharynx, aka throat
first division of the pharynx, and is posterior to the nasal cavity and continues downward to behind the mouth
nasopharynx
suffix meaning throat
-pharynx
the second division of the pharynx, and is the portion that is visible when looking into the mouth, shared respiratory and digestive
oropharynx
means mouth
or/o
third division of the pharynx, and is also shared by resp/digest, opens to trachea and esophagus
laryngopharynx
means larynx
laryng/o
a triangular chamber located between the pharynx and the trachea
larynx, aka voice box
a lid-like structure located at the base of the tongue, swings downward and closes off the laryngopharynx so food doesn’t enter
epiglottis
the tube located directly in front of the esophagus that extends from the neck to the chest
trachea, aka windpipe
formed where the trachea divides into two branches
bronchi
the smallest branches of the bronchi
bronchioles
the very small grap-like clusters found at the end of each bronchiole
alveoli
the organs of respiration, divided into lobes
lungs
has three lobes
right lung
has two lobes
left lung
the cavity located between the lungs, contains heart, connective tissue, veins, trachea…
mediastinum
a thin, moist and slippery membrane that covers the outer surface of the lungs and lines the inner surface of the rib cage
pleura
the outer layer of the pleura that lines the walls of the thoracic cavity, covers the diaphragm, and forms the sac containing each lung
parietal pleura
the inner layer of the pleura that surrounds each lung
visceral pleura
the airtight area between the layers of the pleural membranes
pleural cavity
the muscle that separates the thoracic cavity from the abdomen. makes breathing possible
diaphragm
stimulate the diaphragm and cause it to contract
phrenic nerves
the exchange of oxygen and CO2 that is essential to life
respiration
the act of taking in air as the diaphragm contracts and pulls downward
inhalation
the act of breathing out
exhalation
the act of bringing air into and out of the lungs and exchanging gases from this air
external respiration
the exchange of gases within the cells of the body organs, cells, and tissues
internal respiration
a physician with specialized training in the diagnosis and treatment of diseases and disorders of the ears, nose, throat, and related structures of the head and neck
otolaryngologist
a physician who specializes in diagnosing and treating diseases and disorders of the lungs and associated tissues
pulmonologist
form meaning lung
pulmon/o
a lung disease in which it is hard to breathe. damage to the bronchi partially obstructs them.
chronic obstructive pulmonary disease (COPD)
when the airways have become inflamed and thickened and there is an increase in the number and size of mucus-producing cells
chronic bronchitis
form meaning bronchus, or bronchi
bronch/o
the progressive loss of lung function that is characterized by decrease in alveoli, enlargement in remaining alveoli, and wall destruction of remaining alveoli. barrel shaped
emphysema
a chronic allergic disorder characterized by episodes of severe breathing difficulty, coughing, and wheezing
asthma
the swelling and clogging of the airways with mucus. usually after exposure to inhaled allergens
airway inflammation
a contraction of the smooth muscle in the walls of the bronchi and bronchioles that tighten and squeeze the airway shut
bronchospasm
suffix meaning involuntary contraction
-spasm
common cold, can be caused by over 200 viruses
upper respiratory infections
an allergic reaction to airborne allergens that causes an increased flow of mucus
allergic rhinitis, aka allergy
an acute respiratory syndrome in children and infants characterized by obstruction of the larynx, hoarseness, and barking cough
croup
an acute bacterial infection of the throat and upper respiratory tract, nor largely prevented through immunization. can damage heart muscle and peripheral nerves
diphtheria
bleeding from the nose that is usually caused by an injury, excessive use of blood thinners, or bleeding disorders
epistaxis
an acute, highly contagious viral respiratory infection that is spread by respiratory droplets and occurs most commonly in epidemics during the colder months
influenza
a contagious bacterial infection of the upper respiratory tract that is characterized by recurrent bouts of a paroxysmal cough, followed by breathlessness, then noisy inspiration
pertussis, aka whooping cough
the watery flow of mucus from the nose
rhinorrhea
an inflammation of the sinuses
sinusitis
an inflammation of the pharynx
pharyngitis
paralysis of the larynx
laryngoplegia
suffix meaning paralysis
-plegia
the sudden spasmodic closure of the larynx
laryngospasm
the loss of the ability of the larynx to produce normal speech sounds
aphonia
means voice or sound
phon/o
any change in vocal quality, including hoarseness, weakness, or the cracking of a boy’s voice during puberty
dysphonia
an inflammation of the larynx
laryngitis
bleeding from the mucous membranes of the trachea
tracheorrhagia
means trachea
trache/o