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Upper and lower human gastrointestinal tract. The esophagus (American English), oesophagus (British English), or œsophagus (archaic spelling) (see spelling difference) all / iː ˈ s ɒ f ə ɡ ə s, ɪ-/; [1] pl.: ((o)e)(œ)sophagi or ((o)e)(œ)sophaguses), colloquially known also as the food pipe, food tube, or gullet, is an organ in vertebrates through which food passes, aided by ...
Esophageal inlet patches are well defined areas of mucosa which resemble stomach tissue and are pink or salmon colored. [2] The mucosal surface of an esophageal inlet patch is typically flat, [3] but may be slightly raised or slightly depressed.
The esophageal gland or pouch is a common feature in so-called basal gastropod clades, including Patelloidea, Vetigastropoda, Cocculiniformia, Neritimorpha and Neomphalina. [ 4 ] The size of the esophageal gland of the scaly-foot gastropod Chrysomallon squamiferum (family Peltospiridae within Neomphalina) is about two orders of magnitude over ...
The mucosa is the innermost layer of the gastrointestinal tract. It surrounds the lumen of the tract and comes into direct contact with digested food ( chyme ). The mucosa itself is made up of three layers: [ 1 ] the epithelium , where most digestive, absorptive and secretory processes occur; the lamina propria , a layer of connective tissue ...
The mucosa, the inner most layer and lining of the esophagus, is composed of stratified squamous epithelium, lamina propria, and muscularis mucosae. At the end of the esophagus is the lower esophageal sphincter, which normally prevents stomach acid from entering the esophagus.
In the gastrointestinal tract, the term mucosa or mucous membrane refers to the combination of epithelium, lamina propria, and (where it occurs) muscularis mucosae. [1] The etymology suggests this, since the Latin names translate to "the mucosa's own special layer" (lamina propria mucosae) and "muscular layer of the mucosa" (lamina muscularis ...
The diagnosis of lymphocytic esophagitis is made by biopsy of the mucosal lining of the esophagus. This is typically achieved at the time of esophagogastroduodenoscopy, a medical procedure wherein an endoscope is inserted through the mouth, into the esophagus, in order to visualize and biopsy the mucosa. [citation needed]
Acute esophageal necrosis (AEN), black esophagus, or Gurvits syndrome is a rare esophageal disorder. AEN defines itself with dark pigmentation of the esophagus, found during an upper gastrointestinal endoscopy. [2] Pigmentation is usually black friable mucosa. [3]