Matches in SemOpenAlex for { <https://semopenalex.org/work/W2328167847> ?p ?o ?g. }
Showing items 1 to 83 of
83
with 100 items per page.
- W2328167847 abstract "This paper describes dynamics of the pharyngeal, or the second stage of volitional swallowing in normal and pathological conditions. The description is based upon our current investigations as well as upon available literature. In our investigations, simultaneous recordings of EMG of selected swallowing muscles and X-ray video images were adopted.In normal swallowing, a series of events take place consistently with respect to timing during the pharyngeal stage. There is no clear-cut distinction between the oral and the pharyngeal stages in the activities of the pertinent muscles as well as in the movements of the food channel. It seems, however, to be practical to assume that the pharyngeal stage begins roughly with the first appearance of bolus in the pharynx and ends with complete disappearance of bolus from the pharynx in normal swallowing. From the neurological point of view, it turned out that this period corresponds to the period of relaxation of the cricopharyngeal muscle, lasting approximately 0.5sec.Swallowing begins with an elevation of the larynx. Then, the velum and the tongue base begin to rise, the epiglottis to bend backwards, and the supraglottic region to close. Bolus first enters the pharynx when the velopharyngeal closure is about completed. Almost simultaneously with this, the cricopharyngeal muscle relaxes whereas the vocal fold adductors and the thyrohyoid muscle contract. Shortly after, peristaltic movements of the pharynx occur. When bolus is completely transported into the esophagus, the velum and the tongue base begin to fall, the larynx starts opening, and the cricopharyngeal muscle contracts to close the pharyngo-esophageal junction. The entire procedure ends up with a complete fall of the larynx.Even in some pathological conditions, such as amyotrophic lateral sclerosis, oculopharyngeal muscular dystrophy and “cricopharyngeal achalasia, ” the muscles act in the similar fashion as in normal with respect to timing. This causes an incoordination of muscular activities and the passage of bolus. No feedback mechanism or volitional adaptation seems to be able to modify the timing of muscular exertion during the pharyngeal stage." @default.
- W2328167847 created "2016-06-24" @default.
- W2328167847 creator A5002301422 @default.
- W2328167847 date "1980-01-01" @default.
- W2328167847 modified "2023-10-04" @default.
- W2328167847 title "Pharyngeal Stage of Swallowing" @default.
- W2328167847 cites W1986823672 @default.
- W2328167847 cites W2017580173 @default.
- W2328167847 cites W2030821990 @default.
- W2328167847 cites W2161583395 @default.
- W2328167847 cites W2405162904 @default.
- W2328167847 cites W2467082081 @default.
- W2328167847 doi "https://doi.org/10.2468/jbes.31.1" @default.
- W2328167847 hasPublicationYear "1980" @default.
- W2328167847 type Work @default.
- W2328167847 sameAs 2328167847 @default.
- W2328167847 citedByCount "3" @default.
- W2328167847 countsByYear W23281678472017 @default.
- W2328167847 countsByYear W23281678472018 @default.
- W2328167847 crossrefType "journal-article" @default.
- W2328167847 hasAuthorship W2328167847A5002301422 @default.
- W2328167847 hasBestOaLocation W23281678471 @default.
- W2328167847 hasConcept C105702510 @default.
- W2328167847 hasConcept C112497637 @default.
- W2328167847 hasConcept C141071460 @default.
- W2328167847 hasConcept C142724271 @default.
- W2328167847 hasConcept C173988693 @default.
- W2328167847 hasConcept C206813253 @default.
- W2328167847 hasConcept C2776752453 @default.
- W2328167847 hasConcept C2777719403 @default.
- W2328167847 hasConcept C2777819096 @default.
- W2328167847 hasConcept C2778674591 @default.
- W2328167847 hasConcept C2779218151 @default.
- W2328167847 hasConcept C2779744641 @default.
- W2328167847 hasConcept C2780474809 @default.
- W2328167847 hasConcept C2780596822 @default.
- W2328167847 hasConcept C43376680 @default.
- W2328167847 hasConcept C548259974 @default.
- W2328167847 hasConcept C71924100 @default.
- W2328167847 hasConceptScore W2328167847C105702510 @default.
- W2328167847 hasConceptScore W2328167847C112497637 @default.
- W2328167847 hasConceptScore W2328167847C141071460 @default.
- W2328167847 hasConceptScore W2328167847C142724271 @default.
- W2328167847 hasConceptScore W2328167847C173988693 @default.
- W2328167847 hasConceptScore W2328167847C206813253 @default.
- W2328167847 hasConceptScore W2328167847C2776752453 @default.
- W2328167847 hasConceptScore W2328167847C2777719403 @default.
- W2328167847 hasConceptScore W2328167847C2777819096 @default.
- W2328167847 hasConceptScore W2328167847C2778674591 @default.
- W2328167847 hasConceptScore W2328167847C2779218151 @default.
- W2328167847 hasConceptScore W2328167847C2779744641 @default.
- W2328167847 hasConceptScore W2328167847C2780474809 @default.
- W2328167847 hasConceptScore W2328167847C2780596822 @default.
- W2328167847 hasConceptScore W2328167847C43376680 @default.
- W2328167847 hasConceptScore W2328167847C548259974 @default.
- W2328167847 hasConceptScore W2328167847C71924100 @default.
- W2328167847 hasLocation W23281678471 @default.
- W2328167847 hasOpenAccess W2328167847 @default.
- W2328167847 hasPrimaryLocation W23281678471 @default.
- W2328167847 hasRelatedWork W1534698217 @default.
- W2328167847 hasRelatedWork W1740736980 @default.
- W2328167847 hasRelatedWork W1907648934 @default.
- W2328167847 hasRelatedWork W1930208819 @default.
- W2328167847 hasRelatedWork W1980748968 @default.
- W2328167847 hasRelatedWork W1980879413 @default.
- W2328167847 hasRelatedWork W2017334680 @default.
- W2328167847 hasRelatedWork W2027475954 @default.
- W2328167847 hasRelatedWork W2039209836 @default.
- W2328167847 hasRelatedWork W2046793084 @default.
- W2328167847 hasRelatedWork W2051552303 @default.
- W2328167847 hasRelatedWork W2084982899 @default.
- W2328167847 hasRelatedWork W2160989134 @default.
- W2328167847 hasRelatedWork W2313225570 @default.
- W2328167847 hasRelatedWork W2317344054 @default.
- W2328167847 hasRelatedWork W2320039665 @default.
- W2328167847 hasRelatedWork W2329181946 @default.
- W2328167847 hasRelatedWork W2335490194 @default.
- W2328167847 hasRelatedWork W2990524337 @default.
- W2328167847 hasRelatedWork W2859356341 @default.
- W2328167847 isParatext "false" @default.
- W2328167847 isRetracted "false" @default.
- W2328167847 magId "2328167847" @default.
- W2328167847 workType "article" @default.