PHYSIOLOGICAL SPHINCTER

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue

Classified under:

Nouns denoting body parts

Hypernyms ("physiological sphincter" is a kind of...):

anatomical sphincter; sphincter; sphincter muscle (a ring of muscle that contracts to close an opening)

Hyponyms (each of the following is a kind of "physiological sphincter"):

cardiac sphincter (the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction)

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