At 33 hours the upper half of the body has risen
considerably above the blastoderm. The part of the
brain that will contribute to the formation of the
eyes, the optic vessicles, bulge out to the
sides. The ventricle of the straight, tubular heart
is just beginning to curve to the right and the
vitelline vein which carries food from the yolk to
the embryo is clearly seen.
At 33 hours the upper half of the body has risen
considerably above the blastoderm. The part of the
brain that will contribute to the formation of the
eyes, the optic vessicles, bulge out to the
sides. The ventricle of the straight, tubular heart
is just beginning to curve to the right and the
vitelline vein which carries food from the yolk to
the embryo is clearly seen.
