Term
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Definition
| The process whereby the lungs are ventilated and oxygen and carbon dioxide are exchanged between the air in the lungs and the blood within capillaries of the alveoli. |
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Term
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Definition
| The process whereby oxygen and carbon dioxide are exchanged between the blood in tissue capillaries and the cells of the body. |
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Definition
| The projection in the center of the face and consists of an external and internal portion. |
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Term
| External portion of the nose |
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Definition
| a triangle of cartilage and bone that is covered with skin and lined with mucous membrane. External entrance is known as the nostrils or anterior nares. |
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Term
| Internal portion of the nose |
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Definition
| is divided into two chambers by a partition, the septum, separating it into a right and a left cavity. These cavities are divided into 3 air passages: the superior, middle and inferior conchae. |
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Term
| Internal passages of the nose |
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Definition
| lead to the pharynx and are connected by openings with the paranasal sinuses, with the ears by the eustachian tube, and with the region of the eyes by the nasolacrimal ducts. |
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Term
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Definition
| Separate the nasal cavities from the mouth cavity. |
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Definition
| A congenital defect that occurs when the palatine bones fail to unite during fetal development. |
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Term
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Definition
| Primary functions: serves as an air passageway; warms and moistens inhaled air; its cilia and mucous membrane trap dust, pollen, bacteria, and other foreign matter; contains olfactory receptors, which sort out odors; aids in phonatoin and the quality of voice. |
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Term
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Definition
| Serves as a passageway for air and for food; aids in phonation by changing its shape. |
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Term
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Definition
| Production of vocal sounds |
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Term
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Definition
| Provides an open passageway for air to the lungs |
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Term
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Definition
| Provide a passageway for air to and from the lungs |
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Term
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Definition
| Bring air into intimate contact with blood so that oxygen and carbon dioxide can be exchanged in the alveoli. |
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Term
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Definition
| Is a musculomembranous tube about 5 inches long that becomes continuous with the esophagus. It is divided into three portions: the nasopharynx located behind the nose, the oropharynx located behind the mouth and the laryngopharynx located behind the larynx. |
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Term
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Definition
| Three pairs of lymphoid tissues associated with the pharynx. |
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Term
| Adenoids/Pharyngeal tonsils |
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Definition
| contained in the nasopharynx |
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Term
| Faucial/palantine tonsils and lingual tonsils |
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Definition
| contained in the oropharynx |
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Term
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Definition
| accessory organs of the lymphatic system that aid in filtering bacteria and other foreign substances from the circulating lymph. |
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Term
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Definition
| (i.e. voicebox) Is a muscular, cartilaginous structure lined with mucous membrane. It is the enlarged upper end of the trachea below the root of the tongue and hyoid bone. Composed of 9 cartilages bound together by muscles and ligaments, with 3 unpaired cartilages. |
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Term
| Arytenoid, cuneiform and corniculate cartilages |
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Definition
| 3 pairs of unpaired cartilages within the larynx. |
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Term
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Definition
| The largest cartilage in the larynx and forms the structure commonly called the "Adam's apple." |
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Term
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Definition
| is a small cartilage attached to the superior border of thyroid cartilage. Known as the epiglottis, it covers the entrance of the larynx, and during swallowing, acts as a lid to prevent aspiration of food into the trachea. |
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Term
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Definition
| The lowermost cartilage of the larynx. It is shaped like a signet ring with the broad portion being posterior and the anterior portion forming the arch and resembling the ring's band. |
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Term
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Definition
| A narrow slit at the opening between the true vocal folds (larynx contains ventricular folds-false vocal cords-and true vocal cords). |
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Term
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Definition
| (i.e. windpipe) is a cylindrical cartilaginous tube that is the air passageway extending from the pharynx and larynx to the main bronchi. It is composed of smooth muscle that is reinforced at the front and sides by C-shaped rings of cartilage. |
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Term
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Definition
| The two main branches of the trachea, which provide the passageway for air to the lungs. |
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Term
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Definition
| Depression at which each bronchus enters the lung. |
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Term
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Definition
| Cone-shaped, spongy organs of respiration lying on either side of the heart within the pleural cavity of the thorax. |
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Term
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Definition
| A serous mucous membrane composed of several layers, encasing the lungs. |
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Term
| Costal, parietal, pericardiaca, phrenica, pulmonalis and visceral |
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Definition
| The six layers of the pleura. |
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Term
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Definition
| extends from the roots of the lungs and lines the walls of the thorax and the superior surface of the diaphragm. |
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Term
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Definition
| covers the surface of the lungs and enters into and lines the interlobar tissues. |
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Term
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Definition
| Is a space between the parietal and visceral pleura and contains a serous fluid that lubricates and prevents friction caused by the rubbing together of the two layers. |
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Term
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Definition
| A musculomembranous wall that separates the thoracic cavity from the abdominal cavity |
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Term
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Definition
| The central portion of the thoracic cavity, between the lungs, containing the heart and other structures. |
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