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  • Embryo-sac
  • WordNet 3.6
    • n embryo 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
    • n embryo (botany) a minute rudimentary plant contained within a seed or an archegonium
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: A human embryo is smaller than a grain of rice at four weeks old
    • a Embryo Pertaining to an embryo; rudimentary; undeveloped; as, an embryo bud.
    • n Embryo (Biol) The first rudiments of an organism, whether animal or plant
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Female rabbits on the other hand, reabsorb their embryo for the proteins
    • n embryo The fecundated germ of an animal in its earlier stages of development, and before it has assumed the distinctive form and structure of the parent; a germ; a rudiment; in a more extended sense, a rudimentary animal during its whole antenatal existance. In the later stages of development, especially in man and the mammals generally, the name fetus commonly takes the place of embryology In the cases of oviparous animals, the term embryo properly covers the whole course of development of the fecundated germ in the egg (which see, and see cut under dorsal): as, the hen's egg contained an embryo ready to hatch. By a late and loose, though now common, extension of the term, it is applied to various larval stages of some in vertebrates, which in the course of their transformation are frequently so different from the parent as to be described as distinct species or genera: as, the embryo (first larval stage) of a cestoid worm.
    • n embryo In botany, the rudimentary plant contained in the seed, the result of the action of pollen upon the ovule. It may be so rudimentary as to have apparently no distinction of parts; but even in its simplest form it consists virtually of a single internode of an axis, which upon germination develops at one extremity a leaf or leaves with a terminal bud, and a root at the other. In more developed embryos this initial internode or caulicle (often incorrectly called radicle) bears at one end one, two, or more rudimentary leaves called cotyledons, and often an initial bud or plumnle. Also called germ. By recent authors the term is also applied to the developed oöspore in vascular cryptogams. See cuts under albumen and cotyledon.
    • n embryo The beginning or first state of anything, while yet in a rude and undeveloped condition; the condition of anything which has been conceived but is not yet developed or executed; rudimentary state: chiefly in the phrase in embryo.
    • n embryo Synonyms Fetus, Germ, Rudiment. The first of these words is mainly applied to the embryos of viviparous vertebrates in the later stages of their development, when they are more subject to observation. Germ means especially the seed or fecundated ovum, and scarcely extends beyond the early stages of an embryo. Rudiment is simply the specific application of a more general term to a germ or to the early, crude, or ‘rude’ stages of an embryo.
    • embryo Being in the first or rudimentary stage of growth or development; incipient; embryonic: as, an embryo flower.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: There have been several documented cases of women giving birth to twins who had different fathers, including cases where the children were of different races. To do so, the mother had to have conceived both children in close proximity. There has also been one recent case where a mother gave birth to unrelated "twins." In that instance, the mother underwent in vitro fertilization and had her own child and the embryo of another couple accidentally implanted in her.
    • n Embryo em′bri-ō the young of an animal in its earliest stages of development: the part of a seed which forms the future plant: the beginning of anything
    • ***


  • Deepak Chopra
    “Every person is a God in embryo. Its only desire is to be born.”
  • Samuel Butler
    “Is life worth living? This is a question for an embryo not for a man.”
  • Bhagavad Gita
    Bhagavad Gita
    “Just as a fire is covered by smoke and a mirror is obscured by dust, just as the embryo rests deep within the womb, wisdom is hidden by selfish desire.”


In embryo - If something is in embryo, it exists but has not developed.


Webster's Revised Unabridged Dictionary
F. embryon, Gr. 'e`mbryon, perh. fr. in (akin to L. E. in,) + to be full of, swell with; perh. akin to E. brew,
Chambers's Twentieth Century Dictionary
Low L.,—Gr. embryonem (=en), in, bryein, to swell.


In literature:

Amnion cavity: a tube-like insinking from the ventral plate of the embryo, extending cephalad.
"Explanation of Terms Used in Entomology" by John. B. Smith
Any change in the embryo or larva will almost certainly entail changes in the mature animal.
"On the Origin of Species by Means of Natural Selection" by Charles Darwin
For it came not in embryo, not in the egg, so to speak, but full-fledged.
"Elsie Marley, Honey" by Joslyn Gray
Nor was this embryo islet destitute of inhabitants.
"The Island Home" by Richard Archer
Who knows but he may be an embryo genius?
"Ted and the Telephone" by Sara Ware Bassett
The same experiment can be tried with the embryos of animals.
"Natural Law in the Spiritual World" by Henry Drummond
The supplementary embryos are, in the ripe state at least, quite separate and detached one from another.
"Vegetable Teratology" by Maxwell T. Masters
He proved himself to be a great man in embryo by ruling his own spirit that day.
"The Eagle Cliff" by R.M. Ballantyne
But the embryo "Smart Set" and the tried old Service had little in common, at best.
"Tonio, Son of the Sierras" by Charles King
The "aquatic kettle" was doubtless the embryo of the diving-bell.
"Under the Waves" by R M Ballantyne
We must expect that the bird embryo in the egg will show some trace of it.
"Socialism: Positive and Negative" by Robert Rives La Monte
The embryo has eyes, ears and organs of speech.
"Little Journeys to the Homes of the Great, Volume 11 (of 14)" by Elbert Hubbard
Many ordinary physicians destroy embryos to order, and the skill to do this terrible deed has even descended among the common people.
"Searchlights on Health: Light on Dark Corners" by B.G. Jefferis
He is a Michelangelo in embryo!
"Little Journeys to the Homes of the Great Philosophers, Volume 8" by Elbert Hubbard
It was, as it were, a hand in embryo.
"The Problems of Psychical Research" by Hereward Carrington
Around this the whole embryo develops in an intricate process of cell division and duplication.
"Sex" by Henry Stanton
I can see them in embryo now.
"Aladdin & Co." by Herbert Quick
It seemed an embryo mind, in some ways well developed and in others with no potential whatever.
"The Short Life" by Francis Donovan
Every one of the teachers had his own private idea of what could be done in the future under the patronage of this embryo king.
"Jack" by Alphonse Daudet
The embryo now consists of two layers of cells, the "germ-layers," an inner and outer.
"The World's Greatest Books - Volume 15 - Science" by Various

In poetry:

Lo, in yon islet of the midland sea
That cleaves the storm-cloud with its snowy crest,
The embryo-heir of Empires yet to be,
A month-old babe upon his mother's breast.
"Humboldt’s Birthday" by Oliver Wendell Holmes
Not, that my fancy mourns thy stern command,
When many an embryo dome is lost in air;
While guardian Prudence checks my eager hand,
And, ere the turf is broken, cries, "Forbear:
"Elegy X. To Fortune, Suggesting His Motive for Repining at Her Dispensations" by William Shenstone
These are of us, they are with us,
All for primal needed work, while the followers there in embryo wait
We to-day's procession heading, we the route for travel clearing,
Pioneers! O pioneers!
"Pioneers! O Pioneers!" by Walt Whitman
Yet out they go in silence where
They whilom held their learned prate;
Ah! he who would achieve the fair,
Or sow the embryo of the great,
Must hoard—to wait the ripening hour—
In the least point the loftiest power.
"Breadth And Depth" by Friedrich von Schiller
Madly yearning to reach the dark kingdom of night.
I boldly steer on with the speed of the light;
All misty and drear
The dim heavens appear,
While embryo systems and seas at their source
Are whirling around the sun-wanderer's course.
"The Greatness Of The World" by Friedrich von Schiller
Methinks, the while I gaze, each graceful line
So light imprinted on his forehead fair,
Where Wisdom sits serene
Of every sense the queen,
Seems as an embryo empire still were there,
While still his ample breast swells with the vast design.
"Ode" by Maria Gowen Brooks

In news:

She later chronicled the earliest stage of this attempt—creating embryos.
What to do with extra embryos.
According to zoologists, Magdalena's unique case is comparable to conjoined twins where during pregnancy two embryos do not separate correctly.
The embryos were harvested from a cow in the US.
Usefulness of animal-human embryos doubted.
Embryologist Ric Ross holds a dish with human embryos at the La Jolla IVF Clinic in La Jolla, California.
Israel in Embryo from the March 15, 1984 issue.
Decision overturns earlier ban against taxpayer-supported research that destroys embryos.
Stem-Cell Trial Without Embryo Destruction .
I was drugged when I agreed to 12 embryos.
No babies have hatched, and Florida Keys Turtle Hospital officials said Thursday that a reptile biologist examined the eggs and confirmed they did not contain living embryos.
Scientific advances such as these put human iPS cells into the same spotlight that embryo -derived hES cells have been under since 2001.
An embryo or fetus, while not a fully developed person, has the potential to become one.
According to the Associated Press, opponents of stem cell research had claimed that the National Institute of Health was violating the 1996 Dickey-Wicker law, which prevents US funding for any work that could harm an embryo .
Opponents claimed the National Institutes of Health was violating the 1996 Dickey-Wicker law that prohibits taxpayer financing for work that harms an embryo .

In science:

The value of α can be estimated when we require that the derivative of the free energy equals by the absolute value to the derivative of the free energy for big supercritical embryos.
General trends of the late period of evolution in the quasichemical model of nucleation
Dynamical friction can also play an important role in the types of orbits that are produced and in the later mergers of planets and planetary embryos to produce the “final” population.
Planetesimals To Brown Dwarfs: What is a Planet?
We apply the cyclohedron test to data reported in [Dequ´eant (2006)], consisting of 17 distinct expression array experiments from the presomitic mesoderm tissue of mouse embryos.
The Cyclohedron Test for Finding Periodic Genes in Time Course Expression Studies
For instance, during formation through embryo ejection, the inner regions of disks that emit at mid-IR wavelengths could survive, although one might expect these truncated disks to have shorter lifetimes than those around stars.
Disks around Brown Dwarfs and Cool Stars
USA 102 14266–14271 Novak B and Tyson J J 1993 Numerical analysis of a comprehensive model of M-phase control in Xenopus oocyte extracts and intact embryos; J.
The p53-MDM2 network: from oscillations to apoptosis
RNA was extracted from fly embryos, pooled and labelled.
Quality assessment for short oligonucleotide microarray data
From that time onwards, at the end of each hour for the next 12 hours, embryos from one plate were washed on the plate, dechorionated and frozen in liquid nitrogen.
Quality assessment for short oligonucleotide microarray data
As each embryo sample contained a distribution of different ages, we examined the distribution of morphological stage-specific markers in each sample to correlate the time-course windows with the nonlinear scale of embryonic stages.
Quality assessment for short oligonucleotide microarray data
However, gene expression studies in human embryos need to overcome a number of difficulties.
An e-Infrastructure for Collaborative Research in Human Embryo Development
An ethics study evaluates the inconsistent world-wide regulations and legislation on the use of human embryos. A feasibility study focuses on a user requirements of any resulting framework.
An e-Infrastructure for Collaborative Research in Human Embryo Development
Distributed laboratories Researchers distributed over various physical locations around the world should be able to formulate and collaborate on research projects that involve wet-lab experiments on human embryo tissue.
An e-Infrastructure for Collaborative Research in Human Embryo Development
Issues regarding the transportation and processing of large amounts of mostly image data are discussed in Section III-B and Section III-C. • Coping with a scarce resource Human embryo tissue is a scarce resource, which makes finding techniques that maximise the results from each section of tissue a priority.
An e-Infrastructure for Collaborative Research in Human Embryo Development
First, an embryo is frozen or embedded in a block of wax after which it can be cut into sections, which are all placed on slides.
An e-Infrastructure for Collaborative Research in Human Embryo Development
The digital images are then aligned or mapped on to a 3D reference embryo model of the same developmental stage.
An e-Infrastructure for Collaborative Research in Human Embryo Development
Flow of tasks in a gene expression study from an embryo through to in-situ experiments to mapping results to embryo models to data manipulation through workflow, visualisation and data mining techniques .
An e-Infrastructure for Collaborative Research in Human Embryo Development