Abbreviations
From the following article
Esophagus - anatomy and development
Braden Kuo and Daniela Urma
GI Motility online (2006)
doi:10.1038/gimo6
CP
cricopharyngeus muscle
CT
computed tomography
fMRI
functional magnetic resonance imaging
GERD
gastroesophageal reflux disease
GI
gastrointestinal
ICC
interstitial cells of Cajal
LES
lower esophageal sphincter
MRI
magnetic resonance imaging
PET
positron emission tomography
UES
upper esophageal sphincter