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embryo
Longman Dictionary of Contemporary English
embryo
noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
developing
▪ This hormone is produced by the developing embryo within a few days of the egg being fertilised.
▪ There won't be a brain being wired up in the first place, unless there is a complete developing embryo.
▪ Chicken eggs are large because of the yolk which acts as a source of nutrients for the growth of the developing embryo.
▪ Genes only start to mean something when they are translated, via protein synthesis, into growing-rules for a developing embryo.
early
▪ Surprisingly, cells that will form the gut are on the outside surface of many early embryos.
▪ The number of cell divisions in the early embryo that are controlled by the cytoplasm varies from species to species.
▪ It could, for example, challenge the absolute opposition by anti-abortionists to research on human eggs or early embryos.
▪ A quite different way of creating a chimaera is to fuse two early mouse embryos.
▪ The simplest two-instrument cell injection technique for both primitive streak stage and for early somite stage embryos will be described.
▪ Among other things, imprinting is known to take place during gamete formation, whereas differentiation takes place in the early embryo.
▪ But does regulation continue throughout development, or is it just a property of the early embryo?
▪ It is possible to label the cells of the early embryo and follow what they do during development.
human
▪ He observed that his ears, made almost transparent by the sunlight, closely resembled a pair of human embryos.
▪ Those scenes now include everything from human embryos, eclipses, insects and seed pods to comets, hands and candles.
▪ Six years ago Congress banned assistance for any form of research that involved creating or destroying human embryos.
▪ Was it overlooked because it demonstrates that insights into genetic disorders can be gained without use of human embryos?
▪ The growth of the human embryo recapitulated the history of animal life as revealed by the fossil record.
▪ Both sides come together in their opposition to the cloning of human embryos, and object to commercial control over the process.
▪ In the near future however scientists will be able to graft new genes into human eggs and embryos.
▪ In 1828 von Baer showed that the human embryo never passes through a stage equivalent to an adult fish or reptile.
new
▪ Instead, he had simply made new embryos by nuclear transfer.
▪ In mammals, the cytoplasm controls only a few divisions, and then the genes of the new embryo take over.
▪ It was as if the graft was setting up a whole new embryo and re-specifying the positions of the cells in its vicinity.
normal
▪ Further studies are directed towards the understanding of the role which the stem cell control factor DIA/LIF plays in the normal embryo.
▪ Control injections with preimmune serum produced normal embryos.
▪ Even the early sea-urchin embryo can be separated into single cells and will reform a more or less normal embryo.
old
▪ The fetal membranes from older embryos are also best handled initially as solid tissue because of difficulties in their mechanical disaggregation.
▪ For older embryos, 100% serum is advisable.
▪ A typical half embryo was seen to emerge just as if an older embryo had been sliced in two with a razor.
young
▪ But it is also possible to split young embryos artificially, and again produce whole animals from the individual cells.
▪ In our experiments with Megan and Morag and Dolly, we placed two young embryos into each receiving ewe.
▪ Driesch and the early Spemann created clones merely by splitting very young embryos, to give identical twins or quads.
▪ The cell cycle at conception and in young embryos A new life begins with the fusion of sperm and egg.
■ NOUN
cell
▪ So now they fused karyoplasts taken from two-#cell embryos with enucleated zygotes.
▪ He produced bigger clones by embryo splitting, once deriving a set of quin lambs from an eight-#cell embryo.
▪ Is it possible, they asked, that nuclei from two-#cell embryo are simply less robust than nuclei from zygotes?
▪ This appears very early in development, when it is involved in compaction of the eight cell embryo and cell polarisation.
▪ What would happen if they transferred nuclei from two-#cell embryos into enucleated cytoplasts taken from two-cell embryos?
chick
▪ When researchers tried to mimic the results on other animals, such as chick embryos, it did not have the same effect.
▪ The chick embryo proper comes from a very small region resting on the yolk and which is equivalent to the mammalian egg.
▪ She noticed that the nuclei of the cells of the quail embryo looked slightly different from those of the chick embryo.
▪ Because transplanted quail cells will behave normally in chick embryos, she realized she had an invaluable natural marker.
mouse
▪ It is quite convenient to simplify the problem, and instead of thinking about sea-urchin or mouse embryos, to think about flags.
▪ A quite different way of creating a chimaera is to fuse two early mouse embryos.
▪ Two cell lineage markers have been applied recently to the pre-implantation mouse embryo.
▪ It is possible to rearrange the cells of the early mouse embryo in numerous combinations and normal development will still occur.
research
▪ To say this is not to belittle the sincere concern shown by many religious people in the debate over embryo research.
▪ Among recent subjects have been council house sales, public attitudes to embryo research and the effects of unemployment on young women.
▪ Precious quality Whether the timing of this programme was influenced by the current debate on embryo research, I do not know.
■ VERB
create
▪ Six years ago Congress banned assistance for any form of research that involved creating or destroying human embryos.
develop
▪ Each of the two blastomeres developed into a whole embryo.
▪ Like all animals we come from one cell that develops into an embryo which forms the adult.
form
▪ When first formed the embryo is only half a millimetre long, and bears no resemblance to its future form.
freeze
▪ The new research should also help to avoid freezing and storing excess embryos, she says.
▪ Remember the Barbasol can full of frozen embryos, lost in the rainy mire?
▪ Animals are preserved as frozen embryos or as sperm freeze-dried to a powder and brought back to life.
implant
▪ They will choose a shortlist of 200, who will be implanted with 10 cloned embryos.
produce
▪ This hormone is produced by the developing embryo within a few days of the egg being fertilised.
▪ We also produced some embryos when their cells were in G2 by use of yet another agent, cycloheximide.
▪ The unfertilised egg cell began to divide to produce embryos that sometimes developed well.
▪ In fact, the remaining cell did produce only half an embryo, so it seemed that Weismann was right again.
▪ He then shook four-cell urchin embryos apart, and produced four complete embryos.
transfer
▪ Nuclei could be successfully transferred between embryos that were in the same developmental domain, but not between embryos in different domains.
EXAMPLES FROM OTHER ENTRIES
▪ The government has banned all scientific research using human embryos.
▪ When first formed, the embryo is only half a millimetre long.
EXAMPLES FROM CORPUS
▪ In fact, the remaining cell did produce only half an embryo, so it seemed that Weismann was right again.
▪ Now that scientists have access to human embryos, the question of genetic engineering arises.
▪ This appears very early in development, when it is involved in compaction of the eight cell embryo and cell polarisation.
▪ This problem is also seen with embryos produced by other technologies that require embryos to be cultured in test tubes before implantation.
▪ This would explain why they are less able to support development in the embryos that are derived from them.
▪ Wherever possible such parameters should be compared with those of embryos of the same age recovered in vivo.
The Collaborative International Dictionary
Embryo

Embryo \Em"bry*o\, n.; pl. Embryos. [F. embryon, Gr. 'e`mbryon, perh. fr. ? in (akin to L. ? E. in) + ? to be full of, swell with; perh. akin to E. brew.] (Biol.) The first rudiments of an organism, whether animal or plant; as:

  1. The young of an animal in the womb, or more specifically, before its parts are developed and it becomes a fetus (see Fetus).

  2. The germ of the plant, which is inclosed in the seed and which is developed by germination.

    In embryo, in an incipient or undeveloped state; in conception, but not yet executed. ``The company little suspected what a noble work I had then in embryo.''
    --Swift.

Embryo

Embryo \Em"bry*o\, a. Pertaining to an embryo; rudimentary; undeveloped; as, an embryo bud.

Related phrases:
Douglas Harper's Etymology Dictionary
embryo

"fetus in utero at an early stage of development," mid-14c., from Medieval Latin embryo, properly embryon, from Greek embryon "a young one," in Homer, "young animal," later, "fruit of the womb," literally "that which grows," from assimilated form of en "in" (see en- (2)) + bryein "to swell, be full."

Wiktionary
embryo

n. 1 In the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a fetus. 2 An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis. 3 In viviparous animals, the young animal's earliest stages in the mother's body 4 In humans, usually the cell growth up to the end of the seventh week in the mother's body 5 (context botany English) A rudimentary plant contained in the seed. 6 The beginning; the first stage of anything.

Related phrases:
WordNet
embryo

  1. n. (botany) a minute rudimentary plant contained within a seed or an archegonium

  2. an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life [syn: conceptus, fertilized egg]

Wikipedia
Embryo

An embryo is an early stage of development of a multicellular diploid eukaryotic organism. In general, in organisms that reproduce sexually, an embryo develops from a zygote, the single cell resulting from the fertilization of the female egg cell by the male sperm cell. The zygote possesses half the DNA of each of its two parents. In plants, animals, and some protists, the zygote will begin to divide by mitosis to produce a multicellular organism. The result of this process is an embryo.

In humans, a pregnancy is generally considered to be in the embryonic stage of development between the fifth and the eleventh weeks after fertilization, and is considered a fetus from the twelfth week on.

Embryo (Dir En Grey song)

"Embryo" (stylized embryo) is a single released by Dir En Grey on December 19, 2001. The single edit of "Embryo" features lyrics entirely different from those on the album: while the single version speaks of the filth of society and the wish to rejoin a deceased mother, the album version depicts an overtly explicit scenario of the protagonist being raped by its father and carrying his child while Mother looks on from Heaven. This is the first Dir En Grey song in which bassist Toshiya has ever played with finger picking technique.

Embryo (disambiguation)

An embryo is an organism early in its development.

Embryo may also refer to:

  • Embryo (1976 film), a film starring Rock Hudson
  • Embryo (band), a German progressive rock band
  • "Embryo", from the Black Sabbath album Master of Reality
  • "Embryo" (Dir En Grey song), from the album Kisou
  • "Embryo" (Pink Floyd song), from the album Works
  • Embryo Records, record label from the 1970s
  • Proto-state or state embryo, a State in development
Embryo (Pink Floyd song)

"Embryo" (sometimes called "The Embryo") is a song by Pink Floyd. It was a concert staple in 1970–71, but a full band version was never released on a Pink Floyd studio album. A studio version did appear in 1970 on the rare multi-artist album Picnic – A Breath of Fresh Air. Its next appearance was in 1983 on Pink Floyd's own compilation called Works. It then appeared in 2007 on A Breath of Fresh Air – A Harvest Records Anthology 1969–1974 (one of only 3 tracks from the original sampler album to be included in the similarly-titled anthology).

Embryo (band)

Embryo is a musical collective from Munich which has been active since 1969, although its story started in the mid-1950s in Hof where Christian Burchard and Dieter Serfas met for the first time at the age of 10. It was one of the most important German jazz-rock bands during the 1970s and has also been described as "the most eclectic of the Krautrock bands."

Embryo (1976 film)

Embryo is a 1976 science fiction horror film directed by Ralph Nelson and starring Rock Hudson alongside Barbara Carrera, with a cameo appearance by Roddy McDowall. It deals with the mental and physical consequences of growing a human embryo in an artificial uterus.

Related phrases:

Usage examples of "embryo".

When Agassiz came into the laboratory, I was extracting and preserving the embryos, being interested in embryology.

Even though the embryos from which these cells are derived are developed outside the womb and routinely discarded, antiabortion activists adamantly oppose using them for research no matter how many people stand to benefit.

The embryos were arranged by species: Stegosaurus, Apatosaurus, Hadrosaurus, Tyrannosaurus.

I send you this copy, the first that I have sent to Ayrshire, except some few of the stanzas, which I wrote off in embryo for Gavin Hamilton, under the express provision and request that you will only read it to a few of us, and do not on any account give, or permit to be taken, any copy of the ballad.

But for GalacTech, it meant that human bioengineering experiments could at last be carried out without involving a lot of flaky foster-mothers to carry the implanted embryos.

It turns out that the embryo is endowed with other bipotential structures besides the primordial gonad.

What the black stripes on acetate had delineated with clinical detachment, the photographs in the book revealed with horrifying detail: limbless embryos, Cyclopean fetuses, hydrocephalic stillborn children.

All four embryos were in the so-called blastocyst stage, in which the future child consists of a small cellular cluster at one end of a hollow ball of cells that will eventually form the fetal part of the placenta.

The cloned stem cells in therapeutic cloning are harvested from the blastocyst stage well before any embryo forms.

Save for a few Xican coelenterates that had been stranded on the beach by high tide, the sands were as unblemished as the mind of an embryo, washed pure by an unpolluted sea.

Waalenberg embryos in turn is referenced to stem cell lines that are then tracked to Crocuta crocuta.

In a future chapter I shall attempt to show that the adult differs from its embryo, owing to variations supervening at a not early age, and being inherited at a corresponding age.

If the survivor was a male or a woman too old or otherwise unable to carry a child safely, an embryo could be brought to term in an ectogenetic chamber.

Even so, if Risa waited to make a decision, an emergency might require the use of the cryonic chamber now holding that embryo, and if no ectogenetic chamber was available for it then, the matter would be settled by disposing of the potential child.

Almost every biology book for the past century has included pictures of vertebrate embryos made by German biologist and enthusiastic eugenicist Ernst Haeckel, purportedly demonstrating the amazing similarity of fish, chickens, and humans in the womb.