When produced, these already contain well-developed embryos than can be as much as 8.5 cm long.

Many troodontid nests, including eggs that contain fossilized embryos, have been described.

If successful the oviduct should swell and medium containing embryos should be discharged through the cut end of the uterus.

For all she knew, the containers he flushed had never contained embryos at all.

The Star Arks contain human and animal embryos in suspended animation, as well as resources needed for life support.

That idea conjured up visions of baby farms and rows of test tubes containing developing embryos.

They contain tiny embryos or seeds that have been genetically engineered for survival on that specific planet.

If eggs turn deep green, or become dented and wrinkled, the eggs do not contain living embryos.

The cells produce outgrowths known as ovicells, which contain embryos and are visible from October to February.

Wild caught fish rarely contain abnormal embryos.