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Respiratory System - Q – Anatomic terms & A – Meaning

structure that warms, moistens, and filters air as it enters the respiratory tract; also houses the olfactory receptors for the sense of smell nose
air-filled spaces in the skull that open into the nasal cavity sinuses
roof of the mouth; partition between the oral and nasal cavities; divided into the hard and soft palate palate
bony anterior (front) portion of the palate hard palate
muscular posterior (back) portion of the palate soft palate
throat; passageway for food to the esophagus and for air to the larynx pharynx
part of the pharynx directly behind the nasal passages nasopharynx
central portion of the pharynx between the roof of the mouth and the upper edge of the epiglottis oropharynx
lower part of the pharynx, just below the oropharyngeal opening into the larynx and esophagus laryngopharynx
oval lymphatic tissues on each side of the pharynx that filter air to protect the body from bacterial invasion; also called palatine tonsils tonsils
lymphatic tissue on the back of the pharynx behind the nose; also called pharyngeal tonsil adenoid
small projection hanging from the back middle edge of the soft palate; named for its grape-like shape uvula
voice box; passageway for air moving from the pharynx to the trachea; contains the vocal cords larynx
opening between the vocal cords in the larynx glottis
a lid-like structure that covers the larynx during swallowing to prevent food from entering the airway epiglottis
windpipe; passageway for air from the larynx to the area of the carina, where it splits into the right and left bronchi trachea
branched airways that lead from the trachea to the microscopic air sacs called alveoli bronchial tree
two primary airways branching from the area of the carina into the lungs right bronchus and left bronchus
progressively smaller tubular branches of the airways bronchioles
thin-walled, microscopic air sacs that exchange gases alveoli
two spongy organs in the thoracic cavity enclosed by the diaphragm and rib cage; responsible for respiration lungs
subdivisions of the lung, with two on the left and three on the right lobes
membranes enclosing the lung (visceral pleura) and lining the thoracic cavity (parietal pleura) pleura
potential space between the visceral and parietal layers of the pleura pleural cavity
muscular partition that separates the thoracic cavity from the abdominal cavity and that moves upward and downward to aid in respiration diaphragm
partition that separates the thorax into two compartments (containing the right and left lungs) and that encloses the heart, esophagus, trachea, and thymus gland mediastinum
thin sheets of tissue that line respiratory passages and secrete mucus, a viscid (sticky) fluid mucous membranes
hair-like processes from the surface of epithelial cells, such as those of the bronchi, to move mucous cell secretions upward cilia
functional tissues of any organ, such as the tissues of the bronchioles, alveoli, ducts, and sacs, that perform respiration parenchyma
Created by: MT student1