Dictionary.com
Thesaurus.com

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

  • hypoblastic adjective

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.

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

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

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

Though it would enforce the argument, I must, for brevity's sake, pass over the analogous evolution of that introverted layer, or hypoblast, out of which the alimentary canal and attached organs arise.

From Essays: Scientific, Political, & Speculative, Vol. I by Spencer, Herbert