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 sight of a Black nun strikes their sentimentality; and, as I am unalterably rooted in native ground, they consider me a work of primitive art, housed in a magical color; the incarnation of civilized, anti-heathenism, and the fruit of a triumphing idea.”
—Alice Walker (b. 1944)
“Let us put an end to self-inflicted wounds. Let us remember that our national unity is a most priceless asset. Let us deny our adversaries the satisfaction of using Vietnam to pit Americans against Americans.”
—Gerald R. Ford (b. 1913)