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 lumberers rarely trouble themselves to put out their fires, such is the dampness of the primitive forest; and this is one cause, no doubt, of the frequent fires in Maine, of which we hear so much on smoky days in Massachusetts.”
—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)