- cricopharyngeal sphincter
- pars cricopharyngea musculi constrictoris pharyngis inferioris.
Medical dictionary. 2011.
cricopharyngeal sphincter
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Cricopharyngeal myotomy — is a surgical sectioning of the cricopharyngeus muscle, also known as the upper esophageal sphincter, that has been advocated for the treatment of cricopharyngeal spasm, or cricopharyngeal achalasia, that leads to cervical dysphagia in the… … Wikipedia
sphincter — A muscle that encircles a duct, tube, or orifice in such a way that its contraction constricts the lumen or orifice. SYN: musculus s. [TA], s. muscle [TA]. [G. sphinkter, a band or lace] s. of ampulla s. of hepatopancreatic ampulla. anatomic s.… … Medical dictionary
esophageal sphincter upper — (UES) the upper 3 to 5 cm of the esophagus, including the cricopharyngeal muscle, which prevents the aspiration of air from the pharynx into the esophagus … Medical dictionary
Esophageal speech — Speech produced with air trapped in the esophagus and forced out again. * * * esophageal speech n a method of speaking which is used by individuals whose larynx has been removed and in which phonation is achieved by expelling swallowed air from… … Medical dictionary
Norman Barrett — See also: Norman Barrett (ringmaster) Norman Rupert Barrett (1903 1979) was an Australian born British thoracic surgeon who is primarily remembered for describing Barrett’s oesophagus. Contents 1 Early life 2 Career 3 Personal life … Wikipedia
swallowing — (deglutition) n. the process by which food is transferred from the mouth to the oesophagus (gullet). Voluntary raising of the tongue forces food backwards towards the pharynx. This stimulates reflex actions in which the larynx is closed by the… … Medical dictionary
Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… … Medical dictionary
achalasia — Failure to relax; referring especially to visceral openings such as the pylorus, cardia, or any other sphincter muscles. [G. a priv. + chalasis, a slackening] a. of the cardia SYN: esophageal a.. cricopharyngeal a. functional … Medical dictionary
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
constriction — 1. [TA] A normally or pathologically constricted or narrowed portion of a structure. SYN: constrictio [TA]. SEE ALSO: stricture, stenosis. 2. The act or process of binding or contracting, becoming narrowed; the condition of being constricted.… … Medical dictionary
