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hypoblast

American  
[hahy-puh-blast] / ˈhaɪ pəˌblæst /

noun

Embryology.
  1. the endoderm.

  2. the cells entering into the inner layer of a young gastrula, capable of becoming endoderm and, to a certain extent, mesoderm.


hypoblast British  
/ ˈhaɪpəˌblæst /

noun

  1. Also called: endoblastembryol the inner layer of an embryo at an early stage of development that becomes the endoderm at gastrulation

  2. a less common name for endoderm

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of hypoblast

First recorded in 1820–30; hypo- + -blast

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The paper is entitled 'Naive pluripotent stem cell-based models capture FGF-dependent human hypoblast lineage specification' and is published in Cell Stem Cell.

From Science Daily May 31, 2024

They designed stem cell models to study formation of yolk sac founders, called hypoblast.

From Science Daily May 31, 2024

The key discovery, published in Cell Stem Cell, is pinpointing a critical signal that acts during a short window of time, less than one day, to trigger cells to become hypoblast.

From Science Daily May 31, 2024

The first layer is the endoderm, a sheet of cells that displaces the hypoblast and lies adjacent to the yolk sac.

From Textbooks Jun. 19, 2013

The layer of cells lining the cavity of the sack is known as the hypoblast, and gives rise chiefly to the cells lining the alimentary canal of the future animal.

From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar

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