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Week13 Study Stack
Chapter 35
| Term | Definition |
|---|---|
| The upper respiratory tract | Composed of nose, nasopharynx, oropharynx, laryngopharynx, and larynx. |
| The lower respiratory tract | Consist of trachea, all segments of the bronchial tree, and lungs. |
| Pharynx | Another name is the troat, tube like structure about 12.5 cm long that extends from the base of the skull to the esophagus and lies just anterior to the cervical vertebrae. |
| Larynx | The voice box, lies between the roof of the tongue and the upper end of the trachea, immediately anterior to the lowest part of the pharynx. |
| Epiglottis | A small leaf-shaped cartilage that projects upward behind the tongue and hypid bone, attached below to the thyroid cartilage, but it is free superior border can flex to move up and down during swallowing to prevent food or liquids from entering trachea. |
| Trachea | Windpipe, tube about 11 cm long that extends from the larynx in the neck to the primary bronchi in the thoracic cavity. |
| Primary bronchi | the trachea divides at its lower end into to primary bronchi, the right bronchus being slightly larger and more vertical than the left. |
| Costal surface | The costal surface of each lung lies against the ribs and is rounded to match the contours of the thoracic cavity. |
| Visceral pleura | Covers the outer surfaces of the lungs and adheres to them much as the skin of an apple adheres to the apple. |
| Alveoli | Microscopic air spaces at terminals of bronchial tree. Lined with simple squamous epithelium that joins with pulmonary capillary endothelium to form the respiratory membrane. |