Embryonic disc with the umbilical vesicle (yellow), amnion (gray), and connecting stalk. Rotating about a dorso-ventral axis through the center of the embryonic disc.
Source: The Virtual Human Embryo.
Embryonic disc with the umbilical vesicle (yellow), amnion (gray), and connecting stalk. Rotating about a dorso-ventral axis through the center of the embryonic disc.
Source: The Virtual Human Embryo.