embryo Hear it!

embryo Definition

em·bryo (em′brē ō′)

noun pl. -·os′

  1. an animal in the earliest stages of its development in the uterus or the egg, specif., in humans, from conception to about the eighth week
    1. an early or undeveloped stage of something
    2. anything in such a stage
  3. the rudimentary plant contained in a seed, usually made up of hypocotyl, radicle, plumule, and cotyledons

Etymology: ME embrio < ML embryo < Gr embryon, embryo, fetus, thing newly born, neut. of embryos, growing in < en-, in + bryein, to swell, be full

adjective

embryonic

embryo Synonyms

embryo

n.

fetus, incipient organism, nucleus; see egg, fetus.

embryo Usage Examples

Converse of object

  • clon: A cloned human embryo is created in both cases.
  • fertilize: So they arranged to produce a number of fertilized embryos which were tested for compatibility with their daughter's DNA.
  • implant: MAP may also disrupt implantation or cause the loss of a newly implanted embryo.

Adjective modifier

  • zebrafish: Zebrafish embryos with a mutation called gridlock show faulty development of blood vessels in the lower portion of the body.
  • frozen: We're reviving frozen embryos right now, for instance.
  • mammalian: Mammalian embryos have to implant into the mothers womb in order to grow properly.
  • parthenogenetic: Claims to have created both cloned and parthenogenetic human embryos in November seem to have been premature.
  • vertebrate: He is also studying how germ cell determining mechanisms evolved in vertebrate embryos.
  • human: We should be careful not treat human embryos with less respect than animals.

Modifies a noun

  • implantation: The first embryo implantation was unsuccessful and the couple then separated.
  • experimentation: At that time, abortion was illegal almost everywhere, as were embryo experimentation and euthanasia.
  • splitting: Embryo splitting was first used to produce genetically identical sheep ten years ago at Cambridge.
  • dune: As new embryo dunes build up, the sand supply to existing dunes is cut off and they become more subject to visitor damage.
  • biopsy: Embryo biopsy: The removal and culture of one or two cells from an embryo in vitro prior to genetic screening.

Noun used with modifier

  • pre-implantation: It is possible to remove cells from early pre-implantation embryos without damage to the original embryo.
  • chick: Proteins in the growing ridge ( dark band ) of a limb bud in a chick embryo.
  • frog: This approach has worked very well for other types of molecules studied in frog embryos.
  • mouse: The rats will be humanely killed to supply serum, which is essential for the in vitro culture of mouse embryo tissues.

Preposition: before

implantation: It is usually performed by genetic diagnosis of the sex of the embryo before implantation.

Preposition: in

vitro: Report of the preimplantation tissue typing policy review Go ahead for ' designer baby ' The protection of the human embryo in vitro.