embryonic造句怎么写

And the availability of IPS cells neither obviates the need for embryonic stem cell research nor replaces human subjects.

The problem, for some, is that stem-cell cultures derive ultimately from blastocysts, one of the earliest stages of embryonic development.

He had been following the development of gill arches, swellings around the base of the embryonic head, in mammals and reptiles.

Four years ago, President Bush restricted federal funding for embryonic stem cell research to a limited number of existing stem cell lines.

Humans are asymmetric animals. Early in our embryonic development, the heart turns to the left. The liver develops on the right. The left and right lungs have distinct structure.

It is still in an embryonic stage.

To find out, he and his colleagues grew embryonic heart cells on matrixes of differing stiffness.

And if you have children, you soon understand that there's an embryonic personality from birth.

Up to now, she has sported an embryonic tail, which is actually an extension of her tail bone.

He wants to tell her about the film he saw in health class about how the embryonic heart is too small to hear, even with amplification.

This is not the only (and certainly not the most famous) book in recent years to wield the findings of behavioural economics, neuroscience and other embryonic disciplines to kill off homo economicus.

He later introduced lasers to facilitate embryonic implantation.

As cells from the blastocyst take in nourishment, another stage of development, the embryonic stage, begins.

The group discovered a morphogen, a protein present in embryonic tissue and encoded by a gene known as Wingless, which seems to be a linchpin of wing decoration.

The results will now allow measurement and understanding of uptake into embryonic tissues.

The part of the embryonic mesoderm, consisting of loosely packed, unspecialized cells set in a gelatinous ground substance, from which connective tissue, bone, cartilage, and the circulatory and lymphatic systems develop.

Literally, you could not pick up a pencil off a bench if you were working with embryonic stem cells.