The primitive pit is a depression in the center of the primitive node, connecting to the notochord. It consists of part of the primitive streak.
Famous quotes containing the words primitive and/or pit:
“The glory of the farmer is that, in the division of labors, it is his part to create. All trade rests at last on his primitive activity.”
—Ralph Waldo Emerson (1803–1882)
“Greed is a bottomless pit which exhausts the person in an endless effort to satisfy the need without ever reaching satisfaction.”
—Erich Fromm (1900–1980)