embryo

Definition of embryo in English English dictionary: In viviparous animals, the young animal's earliest stages in the mother's body; An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis; In humans, usually the cell growth up to the end of the seventh week in the mother's body; In the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a foetus; A rudimentary plant contained in the seed; The beginning; the first stage of anything
it dives into the heart of the observed, and there espies evil, as it were, in the first embryo.; {n} the rudiments of an animal or plant, before the parts are distinctly formed, the beginning; means that which swells inside something (Greek, en-bru'o, which gives the Greek embruon); hence the child in the womb; the rudiment in a plant before it shows itself in a bud; an idea not developed, etc; The germ of the plant, which is inclosed in the seed and which is developed by germination; An animal in the early stage of development before birth In humans, the embryo stage is the first three months following conception; Pertaining to an embryo; rudimentary; undeveloped; as, an embryo bud; A baby in the early stages of pregnancy; an individual in the second of the three stages of prenatal development (from about 2 weeks after conception until about the end of the 8th week); the individual undergoes tremendous differentiation and rapid growth and is easily influenced by the maternal environment; The young bird, beginning with the earliest stage of development within the egg until it hatches; the developing human individual from the time of implantation to the end of the eighth week after conception Characterized by the development of tissues and primary organs and organ systems; (botany) a minute rudimentary plant contained within a seed or an archegonium; developing human organism from 4 days after fertilization to the end of the eight week; developing fetus from about two weeks after conception to the end of the seventh or eighth week; Rudimentary plant within the seed; An embryo is an unborn animal or human being in the very early stages of development. the remarkable resilience of very young embryos; Early stages of a developing organism, broadly used to refer to stages immediately following fertilization of an egg through implantation and very early pregnancy (i e , from conception to the eighth week of pregnancy); An embryo is an animal at the early stage of development, before birth; In humans, usually the cell growth up to the end of the seventh week in the mothers body; An early stage in the post-fertilization development of an animal or plant egg; {i} fetus, young of a human or animal in its early stages; beginning stage; This term is applied to the earliest stages of development of a plant or animal The embryo is generally contained in another structure, the seed, egg, or uterus; In viviparous animals, the young animals earliest stages in the mothers body; An egg that has been fertilized by a sperm and that has undergone one or more divisions; An organism in the early stages of development; The plant embryo is contained within the seed, along with the endosperm and the cotyledon It is the tiny young version of the plant that will soon grow from it; An organism in its earliest stage of development usually surrounded by protective tissue e g a plant still enclosed in the seed which arises from the zygote; Organism in the early stages of development before birth; Baby in the early stages of development See additional information; The first rudiments of an organism, whether animal or plant The young of an animal in the womb, or more specifically, before its parts are developed and it becomes a fetus (see Fetus); 1 the stage of multicellular organism that develops form a zygote before it becomes free-living 2 specifically, in vertebrates, the period from after the long axis appears until all major structures are represented In humans, this from about two weeks after fertilization to the end of the seventh or eighth week (Morris 1992); 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; An embryo idea, system, or organization is in the very early stages of development, but is expected to grow stronger. They are an embryo party of government It was an embryo idea rather than a fully worked proposal. Early stage of development of an organism in the egg or the uterus, during which its essential form and its organs and tissues develop. In humans, the organism is called an embryo for the first seven or eight weeks after conception, after which it is called a fetus. In mammals, the fertilized egg or zygote undergoes cleavage (cell division without cell growth) to form a hollow ball or blastocyst. During the second week following fertilization, gastrulation (cell differentiation and migration) results in the formation of three tissue types. These three types of tissue develop into different organ systems: the ectoderm develops into the skin and nervous system; the mesoderm develops into connective tissues, the circulatory system, muscles, and bones; and the endoderm develops into the lining of the digestive system, lungs, and urinary system. In humans, by about the fourth week, the head and trunk can be distinguished and the brain, spinal cord, and internal organs begin to develop. By the fifth week, limbs begin to appear and the embryo is about .33 in. (.8 cm) long. By the end of eight weeks, the embryo has grown to about 1 in. (2.5 cm) long and all subsequent change is limited primarily to growth and specialization of existing structures. Any congenital disorders begin in this stage. See also pregnancy; An unborn baby that is less developed than a foetus; An animal or plant in the early stages of its development; in plants, the stage in the seed before the beginning of rapid growth; Unlike most other seed the embryogenesis in Striga, Orobanche and Cuscuta occurs only during germination In the seed the embryo is still undifferentiated; the stage of a human egg from attachment to the uterine wall until about the eighth week of pregnancy; The product of the egg and endosperm nuclei that forms the sporophyte in a developing seed
embryo-: Pertaining to an embryo
embryo-: Earliest stage of something
embryo sac: See under Embryonic
embryo sac: The female gametophyte of a seed plant, within which the embryo develops
hybrid embryo: An embryo resulting from the sperm of one species fertilising the egg of another
True hybrid embryos are the result of fertilising an egg with the sperm of another closely related species; for example, a mule is the hybrid offspring of a donkey and a horse.
hybrid embryo: Specifically, an embryo created artificially which combines human and animal DNA, in various proportions, for the purposes of medical research
MPs pushed back the boundaries of science last night when they voted to allow the creation of hybrid embryos, which have a combination of human and animal DNA, as well as saviour siblings to save sick children.
pre-embryo: a fertilized human egg, up to 14 days old, that can develop into an embryo; especially one to be implanted by IVF
embryos: plural of embryo
in embryo: in an initial or undeveloped stage; in conception but not yet performed

embryo

Hyphenation

em·bry·o

Turkish pronunciation

embriō

Synonyms

incipient, organism, nucleus, egg

Pronunciation

/ˈembrēˌō/ /ˈɛmbriːˌoʊ/

Etymology

[ 'em-brE-"O ] (noun.) 1548. A Medieval Latin corruption of Ancient Greek ἔμβρυον (embruon, “fetus”), from ἐν (en-, “in-”) + βρύω (bruō, “I grow, swell”).

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