Skip Navigation

Primitive streak

A very shallow groove is seen in the germ disk overlying the primitive streak. The clump of cells forming the distal end of the amniotic duct contains degeneration granules, and the boundaries of the cells cannot be made out. Section 405.

Click on the picture to view the full-sized image.

Keywords: amniotic duct, degeneration granules, primitive streak

Source: The Virtual Human Embryo.