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Fertilized in Biological Dictionary

Mictic egg

... hatch and form males ... When a mictic egg is fertilized by a male, they. form thick-walled encysted ... that can produce a haploid male ... mictic fertilized eggs overwinter and can withstand freezing and ... eggs (thin shelled, Haploid) -if eggs not fertilized ---> devel partheno into male ...

Fertilized egg cell

... (Redirected from fertilized egg ) Jump to: navigation, search ... ... Organogenesis ... Information about fertilized egg cell in Free online English dictionary. ... The fertilized egg cell begins to divide and grow to become ...

Ectopic

... is a complication of pregnancy in which the fertilized ovum is developed in any tissue other than ... ... Ectopic pregnancy occurs when the fertilized egg implants anywhere other than the uterine ... pregnancy - In about 2% of pregnancies, the fertilized egg attaches to ... The more you smoke, the ...

Blastula

... blastosphere. It is produced by cleavage of a fertilized ovum and consists of a spherical layer of ... early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of ... spherical body produced by cleavage of a fertilized ovum, consisting of a single layer of cells ...

Zygote

... zygote ( ) n. The cell formed by the union of two gametes, especially a fertilized ovum before cleavage ... results in the diploid zygote , with a ... summaries, research information, and more. ... In animals, a zygote is a fertilized egg, formed by ... Definition of zygote from the Merriam-Webster ...

Ontogeny

... describes the origin and the development of an organism from the fertilized egg to its mature form. Ontogeny is studied in developmental biology, ... Ontogeny : development of an individual from the moment the egg is fertilized up till adulthood. ... Wing buds: beginning of the formation of the wings. ...

Blastomere

... blastomere ( ) n. Any of the cells resulting from the cleavage of a fertilized ovum during early embryonic development ... of cells blastocyst and ... and ... blastomere - any cell resulting from cleavage of a fertilized egg ... Zoology information, history, articles and research from ...

Blastoderm

... produced during the development of an embryo by repeated cleavage of a fertilized egg. The cells of the blastula form an epithelial (covering) layer, ... Staining of the Blastoderm ... Quail blastoderm and blastodisc of fertilized and unfertilized oocytes after oviposition. A) ... ...

Zygospore

... /wiki/ zygospore " ... Britannica online encyclopedia article on zygospore (biology), In freshwater organisms especially, the fertilized egg, or zygote, often passes into a dormant state ... A zygospore remains dormant while it waits for environmental cues, such as ... A fungus ...

Wild-type

... standards ... wild type - The most frequent allele or genotype found in nature, or a specified ... Science Magazine ... A fertilized wild - type ovule. ... Definition of wild type from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the ...

Wild type

... fish, ... wild type - The most frequent allele or genotype found in nature, or a specified ... Science Magazine ... A fertilized wild - type ovule. ... ...

Trophoblast

... is ... Trophoblast (Cytotrophoblast, ... trophoblast ( ) n. The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive Science papers on alternative cancer topics. This paper is on the trophoblast theory of ...

Stem cell

... President Barak Obama Reverses Bush's Stem Cell Policies. March 9, 2009 ... STEM CELL RESEARCH ... Stem cell cultivation. 1) In vitro fertilized egg - made in an ... Similarities and differences between embryonic and adult stem cells ... The International Society for Stem Cell ...

Polar nuclei

... Angiosperms ) ... one functions as an egg. As the pollen tube discharges its contents into the female gametophyte, the egg nucleus is fertilized by one of the sperm, the other ... ... sperm combines with the two polar nuclei of the large central cell of ... The remaining ...

Pistil

... several carpels, each forming a separate pistil . ... Pistil - Definition of Pistil at Dictionary.com a free online dictionary with ... When fertilized with pollen, the pistil develops into fruit. ... Information about pistil in the free online English dictionary and encyclopedia. ... ...

Oviducts

... oviduct contains the egg. ... Studies of egg, sperm, and oviduct aim to explain why so many embryos die ... studied so far, all eggs, fertilized or not, travel the oviduct's full length. ... ... (PRs) in 41 human oviducts by immunohistochemistry. ... ER-positive IEL may be involved in ...

Oviduct

... the passage from the ovaries to the outside of the body is known as the oviduct . The eggs travel along the oviduct . These eggs will either be fertilized by sperm to become a zygote, or will degenerate in the body. oviduct ( ) n. A tube through which the ova pass from the ovary to the uterus ...

Oocytes

... of germinal vesicle breakdown ... Preparation of Oocytes for Fertilization. Sperm Purification (Percoll Centrifugation) ... Transfer of fertilized Oocytes into Embryo Culture Drops ... Denuded oocytes from immature eCG-primed mice were pulsed for 30 min at ... When oocytes were ...

Mosaicism

... mosaic or mosaicism denotes the presence of two populations of cells with different genotypes in one individual, who has developed from a single fertilized egg. Mosaicism may result from a mutation during development which is propagated to only ... mosaicism n. A condition in which tissues of ...

Morula

... morula n. , pl. -lae ( ). The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum CE SITE EN CONSTRUCTION AGRÈGE PLUSIEURS SOUS-SITES, TOTALEMENT INDÉPENDANTS LES ... ILS PEUVENT ESSAIMER CHACUN DANS SA DIRECTION. ... ...

Mitochondria

... respiration: ... Mitochondria are small structures in cells that generate energy for the cell to ... Because the mitochondria within the fertilized oocyte is what the new life will ... Mitochondria are structures within cells that convert the energy from food into ... These changes likely ...

Germinal disc

... yellow yolk of an egg that has germinal disk n. A flattened, disklike region of cells from which the embryo begins to develop in the fertilized ovum of many vertebrate species GERMINAL DISC The entrance of the latebra, the channel leading to the center of the yolk. ... The germinal ...

Genetic mosaic

... mosaic or mosaicism denotes the presence of two populations of cells with different genotypes in one individual, who has developed from a single fertilized egg. Mosaicism may result from a mutation during development which is propagated to only ... A genetic mosaic is an individual in which ...

Gastrula

... from the hollow, single-layered ball of cells called a blastula which itself is the product of the repeated cell division, or cleavage, of a fertilized egg. This cleavage is followed by a period of development ... Gastrula - Definition of Gastrula at Dictionary.com a free online dictionary ...

Embryology

... of embryology ceases in the case of viviparous animals at birth, in ... Embryology includes within its province the development of the fertilized egg ... One of the outstanding achievements in embryology in the 20th century has been ... Respiratory embryology . Cardiovascular ...

Cross-pollination

... major reference ( in pollination : Types: self- pollination and cross - pollination ) An egg cell in an ovule of a flower may be fertilized by a sperm cell derived from a pollen grain produced by that same flower or by another flower on the same ... Most fruit trees ...

Blastomeres

... that publishes full-length research papers in all disciplines of science, as well as ... Blastomeres . Blastomeres are cells produced from a fertilized egg during embryonic ... Simon Tam states that the blastomeres used to produce Tracey's smuggled organs ... Blastomeres of the early mouse ...

Blastocoel

... at Britannica. Assorted References formation by blastula ( in blastula (biology) ) ... development of an embryo by repeated cleavage of a fertilized egg. The cells of the blastula form an epithelial (covering) layer, called the blastoderm, enclosing a fluid-filled cavity, ... The ...

Angiosperm

... represent approximately 80 percent of all the known green plants now living. The angiosperms are vascular seed plants in which the ovule (egg) is fertilized and develops into a seed in an ... Ovules and seeds are not exclusive to angiosperms . ... The unique angiosperm flower probably ...

Amictic egg

... due to be laid ... These diapausing amictic eggs have a ... hatched (D), and after ovipositing its single amictic egg (E) ... many fewer fertilized eggs than amictic fe ... Rotifers have two types of eggs , amictic eggs and. mictic eggs . ... if fertilized, they secrete a thick ...
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