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soft palate |
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palate /pal·ate/ (pal´it) roof of the mouth; the partition separating the nasal and oral cavities.pal´atalpal´atine
cleft palate congenital fissure of median line of palate. hard palate the anterior portion of the palate, separating the oral and nasal cavities, consisting of the bony framework and covering membranes. soft palate the fleshy part of the palate, extending from the posterior edge of the hard palate; the uvula projects from its free inferior border.
Soft palate The structure at the roof of the mouth that separates the mouth and the pharynx. Mentioned in: Snoring
soft palate, the structure composed of mucous membrane, muscular fibers, and mucous glands, suspended from the posterior border of the hard palate forming the roof of the mouth. When the soft palate rises, as in swallowing and in sucking, it separates the nasal cavity and the nasopharynx from the posterior part of the oral cavity and the oral part of the pharynx. The posterior border of the soft palate hangs like a curtain between the mouth and the pharynx. Suspended from it is the conical, pendulous, palatine uvula. Arching laterally from the base of the uvula are the two curved musculomembranous pillars of the fauces. Compare hard palate. soft palate, n the structure composed of mucous membranes, muscular fibers, and mucous glands, suspended from the posterior border of the hard palate forming the roof of the oral cavity. When the soft palate rises, as in swallowing, it separates the nasal cavity and nasopharynx from the posterior part of the oral cavity and oral portion of the pharynx. In sucking the soft palate and posterior superior surface of the tongue occlude the oral cavity from the orapharynx, creating a posterior seal. Thus it prevents the escape of fluid and food up through the nose and with the tongue allows fluid and food to collect in the oral cavity until swallowed.
soft palate the fleshy partition at the back of the mouth which separates the nasopharynx from the oropharynx and which, together with the hard palate, forms the roof of the mouth. cleft soft palate commonly the posterior part is defective but may be part of a defect involving both soft and hard palates. Manifested by difficulties in sucking or nasal regurgitation of milk and food from a young age. Often associated with entrapment of the palate by the aryepiglottic fold. See also cleft lip. soft palate dislocation see dorsal soft palate displacement (below). dorsal soft palate displacement the free edge of the soft palate is displaced from its normal position under the epiglottis to lie over the opening of the larynx causing reduction in airflow. Common only in horses. elongated soft palate, overlong soft palate a common abnormality in brachycephalic dogs in which it causes inspiratory respiratory distress, gagging and coughing. The soft palate interferes with the epiglottis and glottis, particularly after it becomes inflamed and edematous. Other anomalies of the respiratory tract commonly are also present. Affected horses appear to choke, then continue to breathe through their mouth with a characteristic rattling sound. The cause and pathogenesis are unclear. soft palate myositis may contribute to soft palate paresis. soft palate paresis causes a functional pharyngeal paresis and the affected horse chokes up during exercise; often accompanies laryngeal hemiplegia. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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