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Zygote in Biological Dictionary

Zygote

... A zygote (or zygocyte) is a term in Developmental ... ... 3D computer modeling company. zygote ( ) n. The cell formed by the union of two ... before cleavage ... results in the diploid zygote , with a full set of ... ...

Diploid nuclei

... ... ... algae, the diploid nucleus (or zygote nucleus ) may move ... The carposporophyte develops from the zygote nucleus following fertilization. It is thus ... nuclei , and meiosis. ... In many fungi, the zygote nuclei are the only diploid nuclei of the ...

Blastocoel

... region of a blastocyst. A blastocoele forms during embryogenesis when a zygote divides into many cells through mitosis. Aspects of the topic ... a sperm fertilizes an egg cell, the result is a cell called the zygote that ... the blastocoel , surrounded by ... ...

Umbilical cord

... the connecting cord from the developing embryo or fetus to the placenta. During prenatal development, the umbilical cord comes from the same zygote as the fetus and (in ... Umbilical cord prolapse is an obstetric emergency during pregnancy or labor that imminently endangers the ...

Syngamy

... – Our zoology dictionary has ecology, physiology, genetics of syngamy , ... syngamy The union of nuclei of two gametes to produce a zygote nucleus, ... Pronunciation of syngamy . syngamy synonyms. syngamy usage examples and syngamy quotes. ... syngamy definition. syn·gamy ...

Sperm cells

... (living being) and more commonly known as a sperm cell, is the haploid cell that is the male gamete. It joins an ovum to form a zygote. A zygote is a single cell, with a complete set of chromosomes, ... Because sperm cells are haploid, they contribute half of the genetic ...

Ootid

... . ootid synonyms. ootid usage examples and ootid quotes. ootid mature ovum after penetration by sperm but before the formation of a zygote ... number of the ootid and spermatid? How does ootid differ from a polar ... ootid ( ) n. A haploid cell that results from the meiotic ...

Morula

... Information about morula in the free online English dictionary and encyclopedia. ... morula - a solid mass of blastomeres that forms when the zygote splits; develops ... Morula - Definition of Morula at Dictionary.com a free online dictionary with ... morula ... A morula is usually ...

Micronucleus

... as the paramecium. In fission it divides by mitosis, and in conjugation furnishes the pairing of gamete nuclei, by whose reciprocal fusion a zygote nucleus is formed, which gives rise to the macronuclei and micronuclei of the individuals of the next cycle of fission. Thermo Scientific ...

Haploid Cell

... than 50% near- haploid , cells with a ... ... proliferation and differentiation of a single haploid cell called the "gamete. ... The zygote undergoes meiosis immediately, creating four haploid cells . ... Haploid - Definition of Haploid at Dictionary.com a free online ...

Fertilization

... IVF ... Conception and Fertilization : Getting Pregnant During The Luteal Phase of Your Cycle ... With fertilization , the ovum becomes the zygote or embryo and now ... Information about fertilization in the free online ... In cross- fertilization , the two gametes come ... self- ...

Endomembrane system

... the cell by the endomembrane system , including some proteins. ... Polarization of the endomembrane system is an early event in fucoid zygote ... A polarized endomembrane system not only allows local deposition of membrane and ... ,biological,biology definition,biology ...

Blastula

... hollow ball of thousands of cells called the blastula . ... Not until the blastula contains some 4,000 cells is there any transcription of zygote genes. ... ...

Blastomeres

... In humans, blastomere formation begins immediately following fertilization and ... When the zygote contains 16 to 32 blastomeres it is referred to as a "morula. ... What is Blastomeres ? Meaning of Blastomeres medical term. What ...

Blastoderm

... division from taking place through the egg, resulting in meroblastic cleavage during the many cleavage divisions. At the animal pole, the zygote divides and subdivides, forming the blastoderm , which gradually spreads around ... Aspects of the topic blastoderm are discussed in the ...
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