blastopore
Americannoun
Other Word Forms
Etymology
Origin of blastopore
Example Sentences
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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
The blastopore forms the anus of the alimentary system in the juvenile and adult forms.
From Textbooks ● Jan. 1, 2015
Upon gastrulation, part of the ball of cells invaginates, forming a cavity called a blastopore.
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
There is but very little food-material in the egg of this Pectinibranch, and consequently the diblastula forms by invagination; the blastopore or orifice of invagination coincides with the anus, and never closes entirely.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various
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.
