- the endoderm.
- the cells entering into the inner layer of a young gastrula, capable of becoming endoderm and, to a certain extent, mesoderm.
Origin of hypoblast
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hypoblast
The outer is the Ectoderm and the inner is the Endoderm or Hypoblast.The Ethics of Medical Homicide and Mutilation
Ridge of hypoblast, which will become separated off as the notochord.The Works of Francis Maitland Balfour, Volume IV (of 4)
Francis Maitland Balfour
It is closed in above and at the sides by the hypoblast, and below by the yolk.
The first of these forms the hypoblast, and the latter the mesoblast.
The inner of the two is called the hypoblast, the outer the epiblast.
- Also called: endoblast embryol the inner layer of an embryo at an early stage of development that becomes the endoderm at gastrulation
- a less common name for endoderm
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