| Health / Medical Topics |
Upper Esophageal Sphincter
A valve that is composed of muscles in the upper portion of the esophagus. (NCI Thesaurus)
YOU MAY ALSO LIKE
Examination of the inside of the stomach using an endoscope, passed through the mouth and esophagus. An endoscope is a thin, tube-like…
A meningioma that affects the upper clivus.
A lymph node located in the upper region of the neck.
One of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis. …
An infectious process affecting the oral cavity, pharynx, and/or larynx.
Higher in place or position; the topmost one of two.
