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)
“For tamed and shabby tigers
And dancing dogs and bears,
And wretched, blind pit ponies
And little hunted hares.”
—Ralph Hodgson (c. 1871–1962)