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Origin of yolk sac
Words nearby yolk sac
Example sentences from the Web for yolk sac
The yolk-sac is shown here simply as an irregular piece of tissue, the yolk having been removed.
The digestive system is advanced to a gut-tract, which is a straight tube connected with the yolk-sac.The Ethics of Medical Homicide and Mutilation|Austin O'Malley
The epiblast spreads uniformly over the yolk-sac and not on the one side only as in the former eggs.The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
The duodenum extends only a short distance caudad to this point and then opens, aip, to the yolk-sac.
The cleft in his breast might close up now, and the last remnant of his yolk-sac vanish forever.Forest Neighbors|William Davenport Hulbert