Front | Back |
Length of trachea
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11-12 cm or 4.5 inches
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Diameter of trachea
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2-2.5 cm or 1 inch
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Trachea is __________ to the esophagus.
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Anterior
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The incomplete portions of the horseshoe-shaped tracheal rings are located __________.
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Posteriorly
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The tracheal rings are composed of __________ cartilage.
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Hyaline
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The first tracheal cartilage is connected to the cricoid cartilage of the larynx by means of the __________ ligament.
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Cricotracheal
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The last cartilage of the trachea divides or bifurcates to form the _________.
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Mainstem bronchi
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In the spaces between the tracheal rings the outer and inner tracheal membranes blend to form the ___________ membrane.
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Intratracheal
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The muscles in the spaces between the ends of the tracheal rings are longitudinal/transverse/both. These muscles are normally in state of __________.
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|
The trachea is lined with ________ membrane which is continuous with that of the larynx and bronchi.
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Mucous
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The mucus is produced by mucous glands and __________ cells.
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Goblet
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Threadlike cytoplasmic processes which beat rhythmically are called _______. They help clear the respiratory tract of contaminants and __________.
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Mucous vs Mucus
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Tracheotomy
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The surgical procedure which provides a temporary alternative airway
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Tracheostomy
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The surgical procedure in which the superior border of the trachea is brought forward and sutured to the skin of the neck, thus forming a permanent airway
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