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a meal consisting of three or four egg yolks, beaten up in milk and seasoned with sugar, port wine, and other ingredients, used to test the evacuation time of the gallbladder; two thirds to three quarters of the contents will be normally evacuated within 40 minutes.
Boyden test mealA motor meal consisting of egg yolk, milk and flavouring, which may be used to test gallbladder evacuation time.
Boyden,Edward A., U.S. anatomist, 1886-1977.
Boyden meal - a meal used to test the evacuation time of the gallbladder.
Boyden sphincter - smooth muscle sphincter that controls the flow of bile in the duodenum. Synonym(s): sphincter of the common bile duct