In embryology, cleavage is the division of cells in the early development of the embryo, following fertilization. The zygotes of many species undergo rapid...

which a crystal or mineral tends to split Cleavage (embryo), the division of cells in an early embryo Cleavage (geology), foliation of rock perpendicular...

formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the...

multicellular embryo proceeds through a series of recognizable stages, often divided into cleavage, blastula, gastrulation, and organogenesis. Cleavage is the...

durations of embryo culture, conferring different stages in embryogenesis. The main stages at which embryo transfer is performed are cleavage stage (day...

significant growth (a process known as cleavage) and cellular differentiation, leading to development of a multicellular embryo after passing through an organizational...

twinning is not increased after blastocyst transfer compared with cleavage-stage embryo transfer. There are significantly higher odds of preterm birth (odds...

(see: Bilateral cleavage), or rotational (see: Rotational cleavage). In holoblastic cleavage, the entire egg will divide and become the embryo, whereas in...

trophectoderm. It develops following cleavage of the zygote after fertilization. It is the first cell cavity formed as the embryo enlarges, and is the essential...

birthweight than those born from non-frozen blastocysts. For early cleavage embryos, frozen ones appear to have at least as good obstetric outcome, measured...

highly stereotyped cleavage patterns and cell fates. Maternally deposited mRNAs establish the organizing center of the sea urchin embryo. Canonical Wnt and...

embryo culture are until cleavage stage (day two to four after co-incubation) or the blastocyst stage (day five or six after co-incubation). Embryo culture...

blastomere size within the embryo is dependent not only on the stage of the cleavage, but also on the regularity of the cleavage amongst the cells. If the...

which undergoes many cleavages to develop into a ball of cells called a morula. Only when the blastocoel is formed does the early embryo become a blastula...

include the animal and vegetal poles of the embryo. The third cleavage is equal and equatorial so that the embryo has four blastomeres both in the vegetal...

diagnosis (PGD or PIGD) is the genetic profiling of embryos prior to implantation (as a form of embryo profiling), and sometimes even of oocytes prior to...

2024-03-26 "Oocyte", Wikipedia, 2024-03-09, retrieved 2024-03-26 "Cleavage (embryo)", Wikipedia, 2024-02-09, retrieved 2024-03-26 "Poor ovarian reserve"...

disc, is the embryo-forming part on the yolk of the egg of an animal that undergoes discoidal meroblastic cleavage. Discoidal cleavage occurs in those...

fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own,...

is a morula and contains cells called blastomeres. Cleavage prepares the zygote to become an embryo, which is from 2 weeks to 8 weeks after conception...

implantation, the developing embryo is sometimes termed as a preimplantation-conceptus. This stage has also been referred to as the pre-embryo in legal discourses...

development have been preserved – no embryos have been interpreted as having undergone a large number cleavage stages. Some embryos have been interpreted as colonies...

cell mass (ICM) also known as the embryoblast which subsequently forms the embryo, and an outer layer of trophoblast cells called the trophectoderm. This...

specification in these embryos. Following fertilization in the oviduct, the mammalian embryo undergoes a relatively slow round of cleavages to produce an eight-cell...

pole of the egg separate from the developing embryo. This type of egg undergoes discoidal meroblastic cleavage, where yolk is not incorporated in the cells...

embryos differ in several other ways. Many protostomes (the Spiralia clade) undergo spiral cleavage during cell division instead of radial cleavage....

enzymes generated by fusing a zinc finger DNA-binding domain to a DNA-cleavage domain. Zinc finger domains can be engineered to target specific desired...

Studies using the EmbryoScope (tm) time-lapse incubator have used several indicators for embryo quality, such as direct cleavage from 1 to 3 cells, as...

implantation, the embryo remains in a protein shell, the zona pellucida, and undergoes a series of rapid mitotic cell divisions called cleavage. A week after...

morula. The cleavage divisions of CS2 embryos do not occur synchronously. And the fate of the blastomeres is not yet determined. The two-cell embryo is spherical...