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:
“It was a very primitive kind of harbor, where boats were drawn up amid the stumps,—such a one, methought, as the Argo might have been launched in.”
—Henry David Thoreau (1817–1862)
“Come gather round me players all:
Come praise Nineteen-Sixteen,
Those from the pit and gallery
Or from the painted scene
That fought in the Post Office
Or round the City Hall....”
—William Butler Yeats (1865–1939)