Review of Short Phrases and Links|
This Review contains major "Zygote"- related terms, short phrases and links grouped together in the form of Encyclopedia article.
- A zygote is the beginning of a new human being (i.e., an embryo).
- The zygote is a very large cell, but the first waves of rapid cell division occur without increase in cell volume.
- A zygote is the beginning of a new human being.
- A blastocoele forms during embryogenesis when a zygote (a fertilized ovum) divides into many cells through mitosis.
- Animals: The embryo of a placental mammal is defined as the organism between the first division of the zygote (a fertilized ovum) until it becomes a fetus.
- Week 2 (day 1-7 of fertilization) Fertilization of the ovum to form a zygote.
- Animals: The embryo of vertebrates is defined as the stages between the first division of the zygote (a fertilized ovum) until it becomes a foetus.
- A zygote ( Greek: --------------) is a cell that is the result of fertilization.
- The zygote is characteristic of the last phase of fertilization and is identified by the first cleavage spindle.
- If the mother's hormones are not just right, that can prevent implantation, and the otherwise healthy zygote may be sloughed away.
- The zygote then produces the filamentous green algae which is haploid (1n).
- Homo zygote An organ ism that has two identical alleles of a gene.
- Zygote a companion website to the book: "Developmental Biology" 5th edition by Scott F. Gilbert.
- The human zygote is a totipotent cell.
- A biparental zygote is a Chlamydomonas zygote that contains chloroplast DNA ( cpDNA) from both parents.
- Die Zygote beginnt unmittelbar nach der Besamung sich zu teilen.
- In plants, the gametophyte nourishes the zygote and young sporophyte.
- Congressman Jerrold Nadler (D-NY) compared all unborn babies to the first stage of their development, a zygote.
- Early developmental staging from the zygote stage to the gastrula is a basic step for studying embryonic development and biotechnology.
- The same trend can be found in embryogenesis---spherical zygote, radial gastrula, bilateral embryo and triaxial asymmetric child.
- The zygote spends the next few days traveling down the Fallopian tube.
- The dividing zygote gets pushed along the Fallopian tube.
- Reik, W. and Walter, J. (2001) Evolution of imprinting mechanisms: the battle of the sexes begins in the zygote.
- Pre-embryonic development Zygotes through gastrulation: Pre-embryonic development begins with zygote formation and ends with gastrulation.
- It starts with the fertilization of the ovum, which is then called a zygote.
- That is, two haploid cells---usually an ovum from a female and a sperm cell from a male ---merge into a single diploid cell called the zygote (or zygocyte).
- The formation of a single-celled zygote through the union of male and female gametes that occurs in sexual reproduction.
- Definition: Haploid reproductive cells that unite during sexual reproduction to form a diploid zygote.
- During the next stage, cleavage, mitotic cell divisions transform the zygote into a tiny ball of cells called a blastula.
- In animals, the development of the zygote into an embryo proceeds through specific recognizable stages of blastula, gastrula, and organogenesis.
- A zygote initially develops into a hollow sphere, called a blastula, which undergoes rearrangement and differentiation.
- The blastula is a hollow, fluid-filled ball of cells that develops from the zygote of Metazoans.
- A blastula is a hollow ball of cells formed from the rapid cleavage divisions of the zygote.
- During this process, the total size of the embryo (also called a " zygote ") does not increase, so each division results in smaller and smaller cells.
- The zygote is surrounded by a strong membrane of glycoproteins called the zona pellucida which the successful sperm has managed to penetrate.
- By approximately four days after fertilization, the zygote has about 100 cells and is called a blastocyst.
- In humans, after about three days, the zygote has formed a solid mass of cells by mitotic division, called a morula.
- The zygote undergoes cleavage, increasing the number of cells within the zona pellucida.
- As the zygote undergoes mitotic divisions the germ plasm is ultimately restricted to a few cells of the embryo, these germ cells then migrate to the gonads.
- In organisms that reproduce sexually, once a sperm fertilizes an egg cell, the result is a cell called the zygote that has all the DNA of two parents.
- Half of the genetic information residing in the zygote's nucleus comes from the mother's egg nucleus, and the other half from the nucleus of a single sperm.
- The egg and sperm then fuse and form a zygote (2n).
- One cell fuses with the egg, producing the zygote that will develop into the sporophyte.
- It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote.
- Within hours of conception the fused gametes, a zygote, undergoes cell division.
- The morula is produced by embryonic cleavage , the rapid cell division of the zygote with virtually no growth.
- Meiosis that takes place within the first few division s after zygote formation; thus all stages in the life cycle other than the zygote are haploid.
- The first sperm that penetrates fully into the egg donates its genetic material ( DNA). The resulting combination is called a zygote.
- The single fertilized ovum supplies to the zygote all aspects (particularly cytoplasm and any outer structures) except one-half of the genetic material.
- Embryology refers to the development of the fertilized egg cell ( zygote) and its differentiation into tissues and organs.
- Indeed, the renowned dean of human embryology, Bradley Patten, used the term embryo for every stage subsequent to the fertilized ovum (zygote).
- The zygote then implants it self into the uterine wall which is very thick.
- The zygote then implants itself in the wall of the uterus, where it begins the processes of embryogenesis and morphogenesis.
- The fusion of a male and female gamete produces a zygote, from which a new individual develops.
- For a short time period every month, the female gamete is readily available to be fertilised by sperm, to form a zygote.
- Zygotic embryogenesis in animals and plants starts with the fusion of the haploid female and male gametes, giving rise to a diploid zygote.
- Sperm The male gamete The single fertilizing sperm supplies to the zygote no aspects except one-half of the genetic material.
- Fusion of the sperm with the ovacyte occurs in the Fallopian tube and the resulting diploid zygote becomes embedded in the uterus wall.
- Homo zygote cells are diploid or polyploid and have the same alleles at a locus (position) on homologous chromosomes.
- During 'fertilization', haploid gametes come together to form a diploid zygote and the original number of chromosomes (2n) is restored.
- Normally, the endometrium progresses to the secretory phase of the menstrual cycle as the zygote forms, undergoes cleavage, and enters the uterus.
- Estrogen and progesterone stimulate the development of the endometrium and preparation of the uterine inner lining for implantation of a zygote.
- Conceptus Conceptus (latin is conceptio, derivatives of zygote) denotes the embryo and its adnexa (appendages or adjunct parts) or associated membranes (i.e.
- The mammalian zygote gives rise to both the embryo and extraembryonic tissues, such as the placenta.
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