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LOM CH. 12
RESPIRATORY SYSTEM
29
Medical
Undergraduate 1
03/03/2013

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Term
ADENOIDS
Definition
LYMPHATIC TISSUE IN THE NASOPHARYNX; PHARYNGEAL TONSILS.
Term
ALVEOLUS
Definition
AIR SAC IN THE LUNGS.
Term
APEX OF THE LUNG
Definition
TIP OR UPPERMOST PORTION OF THE LUNG.
Term
BASE OF THE LUNG
Definition
LOWER PORTION OF THE LUNG.
Term
BRONCHIOLES
Definition
SMALLEST BRANCHES OF THE BRONCHI.
Term
BRONCHUS
Definition
BRANCH OF THE TRACHEA THAT IS A PASSAGEWAY INTO THE LUNG.
Term
CARBON DIOXIDE (CO2)
Definition
GAS PRODUCED BY BODY CELLS WHEN OXYGEN AND FOOD COMBINE; EXHALED THROUGH THE LUNGS.
Term
CILIA
Definition
THIN HAIRS ATTACHED TO THE MUCOUS MEMBRANE EPITHELIUM LINING THE RESPIRATORY TRACT. THEY CLEAR BACTERIA AND FOREIGN SUBSTANCES FROM THE LUNG.
Term
DIAPHRAGM
Definition
MUSCLE SEPARATING THE CHES AND ABDOMEN.  IT CONTRACTS AND RELAXES TO MAKE BREATHING POSSIBLE.
Term
EPIGLOTTIS
Definition
LID-LIKE PIECE OF CARTILAGE THAT COVERS THE LARYNX, PREVENTING FOOD FROM ENTERING THE LARYNX AND TRACHEA DURING SWALLOWING.
Term
GLOTTIS
Definition
SLIT-LIKE OPENING TO THE LARYNX.
Term
EXPIRATION
Definition
BREATHING OUT (EXHALATION).
Term
HILUM (OF LUNG)
Definition
MIDLINE REGION WHERE THE BRONCHI, BLOOD VESSELS, AND NERVES ENTER AND EXIT THE LUNGS.
Term
INSPIRATION
Definition
BREATHING IN (INHALATION).
Term
LARYNX
Definition
VOICE BOX; CONTAINING THE VOCAL CORDS.
Term
LOBE
Definition
DIVISION OF A LUNG.
Term
MEDIASTINUM
Definition
REGION BETWEEN THE LUNGS IN THE CHEST CAVITY.  IT CONTAINS THE TRACHEA, HEART, AORTA, ESOPHAGUS, AND BRONCHIAL TUBES.
Term
NARES
Definition
OPENINGS THROUGH THE NOSE CARRYING AIR INTO THE NASAL CAVITIES.
Term
OXYGEN (O2)
Definition
GAS THAT PASSES INTO THE BLOODSTREAM AT THE LUNGS AND TRAVELS TO ALL BODY CELLS.
Term
PALATINE TONSIL
Definition
ONE OF A PAIR OF ALMOND-SHAPED MASSES OF LYMPHATIC TISSUE IN THE OROPHARYNX.
Term
PARANASAL SINUS
Definition
ONE OF THE AIR CAVITIES IN THE BONES NEAR THE NOSE.
Term
PARIETAL PLEURA
Definition
OUTER FOLD OF PLEURA LYING CLOSER TO THE RIBS AND CHEST WALL.
Term
PHARYNX
Definition
THROAT
Term
PLEURA
Definition
DOUBLE-FOLDED MEMBRANE SURROUNDING EACH LUNG.
Term
PLEURAL CAVITY
Definition
SPACE BETWEEN THE FOLDS OF THE PLEURA.
Term
PULMONARY PARENCHYMA
Definition
ESSENTIAL PARTS OF THE LUNG, RESPONSIBLE FOR RESPIRATION; BRONCHIOLES AND ALVEOLI.
Term
RESPIRATION
Definition
PROCESS OF MOVING AIR INTO AND OUT OF THE LUNGS; BREATHING.
Term
TRACHEA
Definition
WINDPIPE.
Term
VISCERAL PLEURA
Definition
INNER FOLD OF PLEURA LYING CLOSER TO THE LUNG TISSUE.
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