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Respiratory System Words

Word List with 31 words
*By Dictionary.com

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Words in This List

alveolar duct
noun
smallest of the intralobular ducts in the mammary gland, into which the secretory alveoli open
alveolus
noun
small thin-walled air-containing compartments of the lung, typically arranged in saclike clusters
boyle's law
noun
the pressure of an ideal gas kept at constant temperature varies with the volume of the gas
bronchioles
noun
minute thin-walled branch of a bronchus
bronchopulmonary segment
noun
largest subdivision of a lobe of the lung
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costal surface
noun
surface of each lung that rests in direct contact with the costal pleura
diaphragm
noun
partition separating the thoracic cavity from the abdominal cavity
esophagus
noun
muscular passage connecting the mouth or pharynx with the stomach
external nose
noun
consists of a root and is perforated inferiorly by two nostrils separated by a septum
heart
noun
homologous structure consisting of four chambers
hilus
noun
depression in the medial surface of a lung, forms opening through which blood vessels, nerves pass
inferior lobe
noun
located below and behind the oblique fissure, contains five bronchopulmonary segments
larynx
noun
muscular and cartilaginous structure lined with mucous membrane at the upper part of the trachea
left lung
noun
two lobes, upper and a lower, extends from the costal to the mediastinal surface of the lung
lobule
noun
subdivision of a lobe
lung apex
noun
rounded most superior portion of the lung
mediastinum
noun
partition separating right/left thoracic cavities, comprising all viscera of the thorax except lungs
middle lobe
noun
wedge-shaped, includes the lower part of the anterior border and anterior part of base of the lung
nasal cavity
noun
either side of the nasal septum, lying between the floor of the cranium and the roof of the mouth
oral cavity
noun
behind teeth and gums, bounded above by the hard/soft palates, below by tongue and mucous membrane
pharynx
noun
cavity that connects the mouth and nasal passages with the esophagus
pleura
noun
serous membrane investing each lung, folded back as a lining of the corresponding side of the thorax
pleural cavity
noun
narrow, fluid-filled space between the pleural membranes of the lung and the inner chest wall
pleural fluid
noun
thin film of fluid between the visceral and parietal pleurae
primary bronchus
noun
main air passage that branch from the trachea, carrying air to the lungs
respiratory bronchiole
noun
smallest subdivision of a bronchiole, connecting a terminal bronchiole to an alveolar duct
right lung
noun
divided into three lobes by two interlobular fissures, superior, middle, and inferior
secondary bronchus
noun
serves as the airway to a specific lobe of the lung
superior lobe
noun
lobe of the right lung, located above the oblique and horizontal fissures
thorax
noun
situated between the neck and the abdomen and supported by the ribs, costal cartilages, and sternum
trachea
noun
tube extending from the larynx to the bronchi, passage for conveying air to and from the lungs

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