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  2. Esophagus - Wikipedia

    en.wikipedia.org/wiki/Esophagus

    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 ...

  3. Esophageal plexus - Wikipedia

    en.wikipedia.org/wiki/Esophageal_plexus

    The esophageal plexus (oesophageal plexus in British English) is formed by nerve fibers from two sources, branches of the vagus nerve, [1] [2] and visceral branches of the sympathetic trunk. [ 3 ] [ 4 ] The esophageal plexus and the cardiac plexus contain the same types of fibers and are both considered thoracic autonomic plexus .

  4. Pharyngeal muscles - Wikipedia

    en.wikipedia.org/wiki/Pharyngeal_muscles

    The pharyngeal muscles (involuntary skeletal) push food into the esophagus. There are two muscular layers of the pharynx: the outer circular layer and the inner longitudinal layer. The outer circular layer includes: Superior constrictor muscle; Middle constrictor muscle; Inferior constrictor muscle

  5. Enteric nervous system - Wikipedia

    en.wikipedia.org/wiki/Enteric_nervous_system

    Layers of the Alimentary Canal.The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa. The enteric nervous system in humans consists of some 500 million neurons [11] (including the various types of Dogiel cells), [1] [12] 0.5% of the number of neurons in the brain, five times as many as the one hundred million neurons in the human spinal ...

  6. Inferior pharyngeal constrictor muscle - Wikipedia

    en.wikipedia.org/wiki/Inferior_pharyngeal...

    The inferior fibers are horizontal and continuous with the circular fibers of the esophagus; the rest ascend, increasing in obliquity, and overlap the middle pharyngeal constrictor muscle. The cricopharyngeal part is synonymous with the upper esophageal sphincter (UES), which controls the opening of the cervical esophagus. [4]

  7. Myenteric plexus - Wikipedia

    en.wikipedia.org/wiki/Myenteric_plexus

    The myenteric plexus (or Auerbach's plexus) provides motor innervation to both layers of the muscular layer of the gut, having both parasympathetic and sympathetic input (although present ganglion cell bodies belong to parasympathetic innervation, fibers from sympathetic innervation also reach the plexus), whereas the submucous plexus provides secretomotor innervation to the mucosa nearest the ...

  8. If You Notice This One Thing While You're Eating, Talk to ...

    www.aol.com/notice-one-thing-while-youre...

    An endoscopy can examine the esophagus, stomach and part of the small intestines, and CT scans may be used to check for tumors or structural abnormalities in the head, neck or chest.

  9. List of nerves of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_nerves_of_the...

    Esophageal plexus; Ethmoidal nerves; External laryngeal nerve; External nasal nerve; Facial nerve; Femoral nerve; Frontal nerve; Gastric plexuses; Geniculate ganglion; Genital branch of genitofemoral nerve; Genitofemoral nerve; Glossopharyngeal nerve; Greater auricular nerve; Greater occipital nerve; Greater petrosal nerve; Hepatic plexus ...