Anatomy
Muscle type found in esophagus
What is both stratified muscle and smooth muscle?
Esophageal epithelium
What is non-keratinized stratified squamous epithelium?
Location relative to the peritoneum
General swallowing phases (points for each)
What is the oral, oro-pharyngeal, esophageal phase?
Prevents gastric contents from entering the esophagus
What is the lower esophageal sphincter?
Lower esophagus derived from what embryological structure
What is the foregut?
On a CT scan, the esophagus is posterior to this
What is the trachea?
Initiation of swallowing
What is the skeletal muscle contracting the upper esophageal sphincter?
Prevents air from entering the esophagus
What is the upper esophageal sphincter?
Artery that supplies abdominal part of the esophagus
What is the left gastric artery?
*bonus what does it derive from?
What is T11?
Name of wavelike contractions in the esophagus
What are peristaltic waves?
Name of transition from esophageal to gastric mucosa
What is the Z-line?
Artery that supplies cervical part of the esophagus
What is the left inferior phrenic artery?
*bonus what does it derive from?
Vertebrae level of esophageal hiatus
Neurotransmitter responsible for relaxing lower esophageal sphincter