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Med.Term C.12 Vocab
Chabner, Language of Medicine 11th edition-Chapter 12 Vocabulary
| Vocabulary | Meaning |
|---|---|
| adenoids | Lymphatic tissue in the nasopharynx; pharyngeal tonsils |
| alveolus (plural: alveoli) | Air sac in the lung |
| apex of the lung | Tip or uppermost portion of the lung |
| base of the lung | The lower portion of the lung |
| bronchioles | The smallest branches of the bronchi |
| bronchus (plural: bronchi) | The branch of the trachea (windpipe) that is a passageway into the lung; bronchial tube |
| carbon dioxide (CO2) | Gas produced by body cells when oxygen and carbon atoms from food combine; exhaled through the lungs |
| cilia | Thin hairs attached to mucous membrane epithelium lining the respiratory tract |
| diaphragm | Muscle separating the chest and abdomen; contracts to pull air into lungs; relaxes to push air out |
| epiglottis | Lid-like piece of cartilage that covers the larynx; keeps food from entering the larynx and trachea during swallowing |
| expiration | Breathing out (exhalation) |
| glottis | Slit-like opening to the larynx |
| hilum (of lung) | Midline region where the bronchi, blood vessels, and nerves enter and exit the lungs |
| inspiration | Breathing in (inhalation) |
| larynx | Voice box; contains the vocal cords |
| lobe | Division of a lung |
| mediastinum | The region between lungs in the chest cavity; contains the trachea, heart, lymph nodes, aorta, esophagus, and bronchial tubes |
| nares | Openings through the nose carrying air into the nasal cavities |
| oxygen (O2) | Gas that makes up 21% of air; passes into the bloodstream at the lungs and travels to all body cells |
| palatine tonsil | One of a pair of almond-shaped masses of lymphatic tissue in the oropharynx |
| paranasal sinus | One of the air cavities in the bones near the nose |
| parietal pleura | Outer fold of pleura lying closer to the ribs and chest wall |
| pharynx | The throat; including the nasopharynx, oropharynx, and laryngopharynx |
| pleura | Double-folded membrane surrounding each lung |
| pleural cavity | Space between the folds of the pleura |
| pulmonary parenchyma | Essential parts of the lung, responsible for respiration; bronchioles and alveoli |
| respiration | The process of moving air into and out of the lungs; breathing |
| trachea | Windpipe |
| visceral pleura | Inner fold of pleura lying closer to the lung tissue |
Created by:
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Mrs.Aitchison
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