| D009865 |
Oocytes |
Female germ cells derived from OOGONIA and termed OOCYTES when they enter MEIOSIS. The primary oocytes begin meiosis but are arrested at the diplotene state until OVULATION at PUBERTY to give rise to haploid secondary oocytes or ova (OVUM). |
Ovocytes,Oocyte,Ovocyte |
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| D001755 |
Blastocyst |
A post-MORULA preimplantation mammalian embryo that develops from a 32-cell stage into a fluid-filled hollow ball of over a hundred cells. A blastocyst has two distinctive tissues. The outer layer of trophoblasts gives rise to extra-embryonic tissues. The inner cell mass gives rise to the embryonic disc and eventual embryo proper. |
Embryo, Preimplantation,Blastocysts,Embryos, Preimplantation,Preimplantation Embryo,Preimplantation Embryos |
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| D001757 |
Blastomeres |
Undifferentiated cells resulting from cleavage of a fertilized egg (ZYGOTE). Inside the intact ZONA PELLUCIDA, each cleavage yields two blastomeres of about half size of the parent cell. Up to the 8-cell stage, all of the blastomeres are totipotent. The 16-cell MORULA contains outer cells and inner cells. |
Blastocytes,Blastocyte,Blastomere |
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| D005260 |
Female |
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Females |
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| D005855 |
Germ Layers |
The three primary germinal layers (ECTODERM; ENDODERM; and MESODERM) developed during GASTRULATION that provide tissues and body plan of a mature organism. They derive from two early layers, hypoblast and epiblast. |
Epiblast,Hypoblast,Epiblasts,Germ Layer,Hypoblasts,Layer, Germ,Layers, Germ |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D017398 |
Alternative Splicing |
A process whereby multiple RNA transcripts are generated from a single gene. Alternative splicing involves the splicing together of other possible sets of EXONS during the processing of some, but not all, transcripts of the gene. Thus a particular exon may be connected to any one of several alternative exons to form a mature RNA. The alternative forms of mature MESSENGER RNA produce PROTEIN ISOFORMS in which one part of the isoforms is common while the other parts are different. |
RNA Splicing, Alternative,Splicing, Alternative,Alternate Splicing,Nested Transcripts,Alternate Splicings,Alternative RNA Splicing,Alternative RNA Splicings,Alternative Splicings,Nested Transcript,RNA Splicings, Alternative,Splicing, Alternate,Splicing, Alternative RNA,Splicings, Alternate,Splicings, Alternative,Splicings, Alternative RNA,Transcript, Nested,Transcripts, Nested |
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| D017423 |
Sequence Analysis, RNA |
A multistage process that includes cloning, physical mapping, subcloning, sequencing, and information analysis of an RNA SEQUENCE. |
RNA Sequence Analysis,Sequence Determination, RNA,Analysis, RNA Sequence,Determination, RNA Sequence,Determinations, RNA Sequence,RNA Sequence Determination,RNA Sequence Determinations,RNA Sequencing,Sequence Determinations, RNA,Analyses, RNA Sequence,RNA Sequence Analyses,Sequence Analyses, RNA,Sequencing, RNA |
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| D046149 |
Embryo Culture Techniques |
The technique of maintaining or growing mammalian EMBRYOS in vitro. This method offers an opportunity to observe EMBRYONIC DEVELOPMENT; METABOLISM; and susceptibility to TERATOGENS. |
Blastocyst Culture Techniques,Blastocyst Culture Technique,Culture Technique, Blastocyst,Culture Technique, Embryo,Culture Techniques, Blastocyst,Culture Techniques, Embryo,Embryo Culture Technique |
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| D053595 |
Embryonic Stem Cells |
Cells derived from the BLASTOCYST INNER CELL MASS which forms before implantation in the uterine wall. They retain the ability to divide, proliferate and provide progenitor cells that can differentiate into specialized cells. |
Stem Cells, Embryonic,Cell, Embryonic Stem,Cells, Embryonic Stem,Embryonic Stem Cell,Stem Cell, Embryonic |
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