Ch. 7 Anatomic Terms Flashcards Preview

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Flashcards in Ch. 7 Anatomic Terms Deck (29):
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nose

structure that warms, moistens and filters air as it enters the upper respiratory tract

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sinuses

air-filled spaces in the skull the open to the nasal cavity

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palate

roof of the mouth; partition between the nasal cavity and the mouth

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hard palate

bony anterior portion of the palate

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soft palate

muscular posterior portion of the palate

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pharynx

throat

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nasopharynx

part of the pharynx directly behind the nasal passages

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oropharynx

area of the pharynx between the roof of the mouth and the epiglottis

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laryngopharynx

lower part of the pharynx, just below the oropharyngeal opening into the larynx and esophagus

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tonsils

oval lymphatic tissue on either side of the pharynx, that filter air; aka palatine tonsils

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adenoid

lymphatic tissue on the back of the pharynx; aka pharyngeal tonsil

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uvula

small projection hanging from the back middle edge of the soft palate

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larynx

voice box; contains vocal cords

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glottis

opening between the vocal cords

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epiglottis

a lid-like structure that covers the larynx during swallowing

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trachea

windpipe

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bronchial tree

branched airways that lead from the trachea to the alveolar sacs

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right & left bronchus

two primary airways branching from the area of the carina to the lungs

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bronchioles

progressively smaller branching airways

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alveoli

microscopic air sacs that perform gas exchange

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lungs

two spongy organs in the thoracic cavity enclosed by the diaphragm and the rib cage; responsible for respiration

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lobes

subdivisions of the lungs; two on the left, three on the right

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pleura

membranes enclosing the lung and the lining of the thoracic cavity

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pleural cavity

the fluid-filled potential space between the visceral pleura and parietal pleura

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diaphargm

muscular partition that separates the thoracic cavity from the abdominal cavity and moves up and down to aid respiration

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mediastinum

partition that separates the thorax into two compartments and encloses the heart, esophagus, trachea and thymus gland

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mucous membranes

thin sheets of tissue that line the respiratory passages and secrete mucus

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cilia

hair-like processes from the surface of epithelial cells that move mucus secretions upward

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parenchyma

functional tissues of any organ

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