blastopore
Americannoun
Other Word Forms
- blastoporal adjective
- blastoporic adjective
Etymology
Origin of blastopore
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.
Amniotes, like chickens and humans, will have developed a primitive streak, the precursor to the brain and skin, while fish and amphibians will have developed a spherical-shaped blastopore.
From Science Daily • Dec. 15, 2023
Recent evidence has challenged this view of the development of the blastopore of protostomes, however, and the theory remains under debate.
From Textbooks • Jan. 1, 2015
The blastopore becomes the mouth, and a second opening forms opposite the mouth, which becomes the anus.
From Textbooks • Jan. 1, 2015
The body plan of the deuterostome at this stage looks very similar to that of the protostome, but the blastopore becomes the anus, and the second opening becomes the mouth.
From Textbooks • Jan. 1, 2015
The notochord arises from a set of cells which are in close relation with the fused tips of the blastopore.
From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
