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:
“Anthropologists are a connecting link between poets and scientists; though their field-work among primitive peoples has often made them forget the language of science.”
—Robert Graves (1895–1985)
“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)