UMLS. CSP-HL7-ICD9CM-NCI-NDFRT-RXNORM
%
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
U U- U0 U5 U7 UA UB UC UD UE UG UK UL UM UN UP UR US UT UU UV UZ
UE1 UEE UES

UES

[The structure at the pharyngoesophageal junction consisting chiefly of the cricopharyngeus muscle. It normally occludes the lumen of the ESOPHAGUS, except during SWALLOWING. ( MSH )]
UMLS (NCI) C1451819
Upper Esophageal Sphincter
 
Body Part, Organ, or Organ Component



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