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:
“Although the primitive in art may be both interesting and impressive, as portrayed in American fiction it is conspicuous for dullness alone. Drab persons living drab lives, observed by drab minds and reported in drab writing ...”
—Ellen Glasgow (1873–1945)
“A custom loathsome to the eye, hateful to the nose, harmful to the brain, dangerous to the lungs, and in the black, stinking fume thereof nearest resembling the horrible Stygian smoke of the pit that is bottomless.”
—James I of England, James VI of Scotland (1566–1625)