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Structure formed around day 5 of mammalian embryonic development
The blastocyst is a structure formed in the early embryonic development of mammals. It possesses an inner cell mass (ICM) also known as the embryoblast
Blastocyst
First stage of pregnancy
nidation, is the stage in the mammalian embryonic development in which the blastocyst hatches, attaches, adheres, and invades into the endometrium of the female's
Implantation_(embryology)
Method of assisted reproduction
two or day three during cleavage stage, or on days five to six during blastocyst stage, which was first performed in 1984. Factors that can affect the
Embryo_transfer
Development and formation of the human embryo
contractions of the blastocyst, an increase of the pressure inside the blastocyst itself occurs, the hole expands and finally the blastocyst can emerge from
Human_embryonic_development
Organism composed of cells of different genotypes
separate ova by two sperm, followed by aggregation of the two at the blastocyst or zygote stages. This results in the development of an organism with
Chimera_(genetics)
Type of pluripotent blastocystic stem cell
derived from the inner cell mass of a blastocyst, an early-stage pre-implantation embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization
Embryonic_stem_cell
Genetic profiling of embryos prior to implantation
for evaluation. Embryos are generally obtained through blastomere or blastocyst biopsy. The latter technique has proved to be less deleterious for the
Preimplantation genetic diagnosis
Preimplantation_genetic_diagnosis
Embryonic cell structure
produce the blastocyst. Once the blastocyst is formed, it undergoes implantation into the endometrium. During implantation the blastocyst, which contains
Bilaminar_embryonic_disc
Genetically modified mouse used in gene research
step 4 are inserted into a mouse blastocyst. For this example, we use blastocysts from a grey mouse. The blastocysts now contain two types of stem cells:
Knockout_mouse
Organ that connects the fetus to the uterine wall
temporary embryonic and later fetal organ that begins developing from the blastocyst shortly after implantation. It plays critical roles in facilitating nutrient
Placenta
Evolutionary reproductive strategy of mammals
130 types of mammals where this takes place, the process occurs at the blastocyst stage of embryonic development, and is characterized by a dramatic reduction
Embryonic_diapause
Early embryonic mass that gives rise to the fetus
development of a mammalian embryo. It is the mass of cells inside the blastocyst that will eventually give rise to the definitive structures of the fetus
Inner_cell_mass
Fluid-filled or yolk-filled cavity that forms in the blastula
embryonic development. At this stage in mammals the blastula is called the blastocyst, which consists of an outer epithelium, the trophectoderm, enveloping
Blastocoel
Multicellular diploid eukaryote in its earliest stage of development
blastocoel. The structure is then termed a blastula, or a blastocyst in mammals. The mammalian blastocyst hatches before implantating into the endometrial lining
Embryo
Female sex organ in mammals
along the fallopian tube. It will have divided on its journey to form a blastocyst that will implant itself into the lining of the uterus – the endometrium
Uterus
Species of armadillo native to South America
blastocyst, but implantation is delayed for three to four months to ensure the young will not be born during an unfavorable time. Once the blastocyst
Nine-banded_armadillo
Period of reproduction
cell forms on the exterior of this cavity, and the zona pellucida, the blastocyst's barrier, remains the same size as before. Cells grow increasingly smaller
Pregnancy_(mammals)
Sphere of cells formed during early embryonic development in animals
the blastula. In mammalian development, a blastula develops into the blastocyst with a differentiated inner cell mass and an outer trophectoderm. The
Blastulation
Unspecialized biological cell that can become specialized
mammals, roughly 50 to 150 cells make up the inner cell mass during the blastocyst stage of embryonic development, around days 5–14. These have stem-cell
Stem_cell
Diploid eukaryotic cell formed by fertilization between two gametes
takes the form of the blastocyst by the fifth day of development, just as it approaches the site of implantation. When the blastocyst hatches from the zona
Zygote
Assisted reproductive technology procedure
after co-incubation) or the blastocyst stage (day five or six after co-incubation). Embryo culture until the blastocyst stage confers a significant increase
In_vitro_fertilisation
method of selectively removing the external cell layer (trophoblast) of a blastocyst through a cytotoxicity procedure. The protocol for immunosurgery includes
Immunosurgery
Early embryonic cell
fertilization; blastomeres are an essential part of blastula formation, and blastocyst formation in mammals. In humans, blastomere formation begins immediately
Blastomere
Preserving an embryo at sub-zero temperatures
corresponding to pre-implantation, that is, from fertilisation to the blastocyst stage. Embryo cryopreservation is useful for leftover embryos after a
Embryo_cryopreservation
Small domesticated carnivorous mammal
fathers. The morula forms 124 hours after conception. At 148 hours, early blastocysts form. At 10–12 days, implantation occurs. The gestation of queens lasts
Cat
A trilaminar embryonic disc, trilaminary blastoderm, or trilaminar germ disk is an early stage in the development of triploblastic organisms, which include
Trilaminar_embryonic_disc
Rare medical condition
into two, normally at the two-cell stage. If the egg splits in the early blastocyst stage, two inner cell masses will be present, eventually leading to the
Craniopagus_parasiticus
Process by which animal embryos form and develop
structure called the blastocyst,[1] characterized by an inner cell mass that is distinct from the surrounding blastula. The blastocyst is similar in structure
Animal_embryonic_development
Christian church based in Rome
forms of abortion procedures whose direct purpose is to destroy a zygote, blastocyst, embryo or fetus, since it holds that "human life must be respected and
Catholic_Church
British embryologist and geneticist
Professorship. Gardner pioneered the transplantation of cells and tissues between blastocyst stage mouse embryos and their reconstruction from their component tissues
Richard Gardner (embryologist)
Richard_Gardner_(embryologist)
Division of cells in the early embryo
the morula. Cleavage ends with the formation of the blastula, or of the blastocyst in mammals. Depending mostly on the concentration of yolk in the egg,
Cleavage_(embryo)
Cavity within an organ
continue through the fallopian tubes the fluid-filled cavity forming in the blastocyst during pre-implantation development called the blastocoel In cell biology
Lumen_(anatomy)
Protein-coding gene in the species Homo sapiens
complex which is essential for cell-cell adhesion. The morphogenesis of a blastocyst is dependent on the formation of the trophectoderm, the first epithelial
VEZT
Form of human sexual intercourse
the fallopian tube into the uterus. The nidation of the embryo called blastocyst at this stage of development, with the beginning of the production of
Penile–vaginal_intercourse
Medical condition of mis-shaped sperm
abnormal sperm morphology does not appear to influence blastocyst development or blastocyst morphology. Even with severe teratozoospermia, microscopy
Teratospermia
performed are cleavage stage (day 2 to 4 after co-incubation) or the blastocyst stage (day 5 or 6 after co-incubation). Embryos which reach the day 3
Embryo_culture
System describing embryonic development
vitro, the blastocyst rapidly collapses and slowly re-expands before hatching from the zona pellucida. During this process, the blastocyst breaks through
Carnegie_stages
Embryologic stage in which germ layers form
blastula (a single-layered hollow sphere of cells), or in mammals, the blastocyst, is reorganized into a two-layered or three-layered embryo known as the
Gastrulation
Protein-coding gene in the species Homo sapiens
endometrium Top expressed in morula morula tail of embryo yolk sac epiblast blastocyst ventricular zone embryo genital tubercle neural tube More reference expression
Stress-induced-phosphoprotein 1
Stress-induced-phosphoprotein_1
Ability of a cell to differentiate into other cell types
morula differentiate into cells that will eventually become either the blastocyst's inner cell mass or the outer trophoblasts. Approximately four days after
Cell_potency
expressed in zygote tail of embryo secondary oocyte morula primary oocyte blastocyst spermatocyte genital tubercle epiblast spermatid More reference expression
HROB_(gene)
Protein-coding gene in the species Homo sapiens
nucleus accumbens caudate nucleus right frontal lobe Top expressed in blastocyst embryo zygote morula embryo primary oocyte yolk sac epiblast secondary
NTHL1
Tubes in the human female reproductive system
the uterus, the zygote undergoes cell divisions that changes it to a blastocyst, an early embryo, in readiness for implantation. Almost a third of cases
Fallopian_tube
Theory in evolutionary biology proposed to explain sex ratio deviations in mammals
of male blastocysts. This conclusion is based on the observed male-skewed survival rates (to expanded blastocyst stages) when bovine blastocysts were exposed
Trivers–Willard_hypothesis
Cells that give rise to the embryo in amniote development
distinct cell layers arising from the inner cell mass in the mammalian blastocyst, or from the blastula in reptiles and birds. It drives the embryo proper
Epiblast
Indian obstetrician and gynecologist
Indonesia in October 1995. Attended Workshop & Advanced Training in Blastocyst Culture at National University Hospital, Singapore in May 1995. Training
Kamala_Selvaraj
Layer of an embryo
blastocyst in a developing embryo. The cytotrophoblast is considered to be the trophoblastic stem cell because the layer surrounding the blastocyst remains
Cytotrophoblast
English embryologist and fertility nurse (1945–1985)
was the first person to identify and describe the formation of human blastocysts. Louise Joy Brown, the first human born following conception by IVF,
Jean_Purdy
Cell cycle protein
nasal mucosa islet of Langerhans Top expressed in seminiferous tubule blastocyst zygote secondary oocyte primary oocyte morula spermatid spermatocyte ovary
Cyclin_B3
Protein
muscle tissue muscle of thigh proximal tubule heart stomach human kidney blastocyst More reference expression data BioGPS n/a Gene ontology Molecular function
UQCRB
Inactivation of copies of X chromosome
the early blastocyst stage, leading to: XaP XaM → undergoing random X-inactivation in the embryonic lineage (inner cell mass) in the blastocyst stage, leading
X-inactivation
Protein-coding gene in humans
yolk sac internal carotid artery external carotid artery morula embryo blastocyst embryo ventricular zone neural layer of retina More reference expression
CHTF18
Reproductive system of female humans
The zygote will then divide over enough generations of cells to form a blastocyst, which implants itself in the wall of the uterus. This begins the period
Female_reproductive_system
Natural changes in the human female reproductive system
another three days to implant into the endometrium. It has reached the blastocyst stage at the time of implantation: this is when pregnancy begins. The
Menstrual_cycle
Protein-coding gene in the species Homo sapiens
ventricular zone Top expressed in tail of embryo genital tubercle epiblast blastocyst ventricular zone embryo embryo neural tube thymus morula More reference
NOL5A
Protein-coding gene in the species Homo sapiens
zygote egg cell morula embryo ovary lumbar subsegment of spinal cord blastocyst spinal ganglia More reference expression data BioGPS n/a Gene ontology
ZP1
Protein-coding gene in the species Homo sapiens
primary oocyte yolk sac morula epiblast embryo embryo secondary oocyte blastocyst genital tubercle tail of embryo More reference expression data BioGPS
FCF1
Identical twins sharing the same amniotic sac in the womb
of chorionicity and amniosity (how the baby's sac looks) in monozygotic (one egg/identical) twins as a result of when the blastocyst or embryo splits
Monoamniotic_twins
Protein-coding gene in the species Homo sapiens
subcutaneous adipose tissue bone marrow pharynx morula submandibular gland blastocyst More reference expression data BioGPS n/a Gene ontology Molecular function
SIGLEC10
Assisted reproductive technology procedure
chemically or by laser) to facilitate hatching. Zona hatching is where the blastocyst gets rid of the surrounding zona pellucida to be able to implant in the
Assisted_zona_hatching
Mitochondrial protein and coding gene in humans
dentate gyrus of hippocampal formation granule cell ventricular zone embryo blastocyst More reference expression data BioGPS More reference expression data Gene
TUFM
Protein-coding gene in the species Homo sapiens
colon monocyte Top expressed in uterus genital tubercle tail of embryo blastocyst embryo embryo bone marrow gray matter layer of cerebellum morula yolk
HIST1H1B
Early embryonic structure that gives rise to the placenta
to feed; and blastos: germinator) is the outer layer of cells of the blastocyst. Trophoblasts are present four days after fertilization in humans. They
Trophoblast
fluid-filled or yolk-filled cavity that forms in the developing blastula or blastocyst in virtually all animal species. The blastocoel appears to serve two functions:
Glossary of developmental biology
Glossary_of_developmental_biology
South Korean scientific misconduct scandal
of a pluripotent human embryonic stem cell line derived from a cloned blastocyst." For its potential medical value to replace diseased and damaged cells
Hwang_affair
Protein-coding gene in the species Homo sapiens
in zygote hand spermatogonium secondary oocyte morula primary oocyte blastocyst tail of embryo genital tubercle Gonadal ridge More reference expression
ESCO2
Female reproductive cell
the sole means the egg can reproduce by mitosis and eventually form a blastocyst after fertilization. There is an intermediate form, the ovoviviparous
Egg_cell
cleavage. A hollow cavity forms marking the blastocyst stage. (day 1.5–3 of fertilization.) The blastocyst contains only a thin rim of trophoblast cells
Timeline of human prenatal development
Timeline_of_human_prenatal_development
Method of creating a cloned embryo by replacing the egg nucleus with a body cell nucleus
a zygote. The blastocyst stage is developed by the egg to help create embryonic stem cells from the inner cell mass of the blastocyst. The first mammal
Somatic_cell_nuclear_transfer
Failure of an embryo to implant
(zygote) as it divides to form a blastocyst (Figure 2). Once the inner cell mass - the group of cells within the blastocyst that go on to form the embryo
Repeated_implantation_failure
Protein-coding gene in the species Homo sapiens
ventricular zone superior cervical ganglion morula embryo neural tube blastocyst epiblast yolk sac genital tubercle More reference expression data BioGPS
PPIL1
Protein-coding gene in the species Homo sapiens
bone cerebellar vermis Top expressed in jejunum placenta ileum yolk sac blastocyst duodenum colon stomach More reference expression data BioGPS n/a Gene
ENPP7
Protein-coding gene in the species Homo sapiens
embryo spermatocyte seminiferous tubule embryo right ventricle gastrula blastocyst adrenal gland More reference expression data BioGPS More reference expression
HSD17B3
Category of small signaling proteins
processes during embryonic development. Cytokines are released from the blastocyst, and are also expressed in the endometrium, and have critical roles in
Cytokine
Protein-coding gene in the species Homo sapiens
morula tail of embryo saccule otic placode otic vesicle secondary oocyte blastocyst embryo More reference expression data BioGPS More reference expression
PPIG_(gene)
Protein-coding gene in humans
Brodmann area 9 prefrontal cortex islet of Langerhans Top expressed in blastocyst genital tubercle tail of embryo morula spermatocyte spermatid secondary
TTC1
Primary layer of cells in embryonic development
of cells by mitotic division, called a morula. This then changes to a blastocyst, consisting of an outer layer called a trophoblast, and an inner cell
Germ_layer
The role of the uterine epithelial cells is to selectively allow the blastocyst to implant at a specific time (the time of implantation). All other times
Uterine_epithelium
Mammalian protein found in Homo sapiens
right testis putamen Top expressed in right kidney left colon uterus blastocyst medullary collecting duct cervix human kidney molar morula embryo More
FXYD domain-containing ion transport regulator 4
FXYD_domain-containing_ion_transport_regulator_4
Human cloning organization
pregnant with a cloned fetus in April. She said that cells had reached the blastocyst stage, but she refused to speak of any specific implantation or pregnancy
Clonaid
Pregnancy between species
influences include: trophoblast (cells formed on the outer layer of a blastocyst (which provides nutrients to an embryo), rejection due to a cell-mediated
Interspecific_pregnancy
Protein-coding gene in the species Homo sapiens
hematopoietic progenitor cell human kidney morula sexually immature organism blastocyst More reference expression data BioGPS More reference expression data Gene
Pregnancy_zone_protein
Protein found in most eukaryotes
ovary Top expressed in interventricular septum right kidney spermatocyte blastocyst morula neural layer of retina proximal tubule yolk sac lip muscle of thigh
FAM86B1
Protein-coding gene in the species Homo sapiens
Top expressed in embryo embryo interventricular septum ventricular zone blastocyst yolk sac morula dentate gyrus of hippocampal formation granule cell epiblast
RNA-binding_protein_8A
Cultural-linguistic, not scientific question
implants, the embryo is called a blastocyst, so it was clarified in 1972 to "Conception is the implantation of the blastocyst." Some dictionaries continue
Beginning of pregnancy controversy
Beginning_of_pregnancy_controversy
embryo selection "P-413 - DEEP LEARNING FOR AUTOMATIC DETERMINATION OF BLASTOCYST EMBRYO DEVELOPMENT STAGE". onlineevent.com. Chavez-Badiola, Alejandro;
Embryo Ranking Intelligent Classification Algorithm
Embryo_Ranking_Intelligent_Classification_Algorithm
Protein-coding gene in the species Homo sapiens
gastrocnemius muscle glutes thoracic diaphragm body of tongue Top expressed in blastocyst migratory enteric neural crest cell ileum duodenum jejunum morula intestinal
Fructose-bisphosphatase_2
Protein-coding gene in humans
body retinal pigment epithelium embryo morula stria vascularis yolk sac blastocyst thymus hair follicle More reference expression data BioGPS n/a Gene ontology
Tetraspanin_10
Species of armadillo native to the Americas
blastocyst, but implantation is delayed for three to four months to ensure the young will not be born during an unfavorable time. Once the blastocyst
Mexican_long-nosed_armadillo
Protein-coding gene in humans
regulation of transcription by RNA polymerase II chromatin organization blastocyst hatching Sources:Amigo / QuickGO Orthologs Species Human Mouse Entrez
BCL-6_corepressor
Technique in biology
also be tetraploid. Such a tetraploid embryo can develop normally to the blastocyst stage and will implant in the wall of the uterus. The tetraploid cells
Tetraploid complementation assay
Tetraploid_complementation_assay
Mammalian protein found in Homo sapiens
cell adhesion molecule found on the cell surface of leukocytes, and the blastocyst. It is coded for in humans by the SELL gene. L-selectin belongs to the
L-selectin
Stem cell-based embryo model
resembles the early, pre-implantation, mammalian conceptus, called the blastocyst. The first blastoids were created by the Nicolas Rivron laboratory by
Blastoid_(embryoid)
Physiological process in the endometrium
reaction is seen in very early pregnancy in the generalized area where the blastocyst contacts the endometrial decidua. It consists of an increase in secretory
Decidualization
Hormonal phenomenon in mice
the uterus in prepubescent females or to disrupt implantation of the blastocyst in females that had previously been inseminated. However, when resupplied
Vandenbergh_effect
Process in which an embryo and later fetus develops during gestation
blastocyst reaches the uterus at roughly the fifth day after fertilization. The blastocyst hatches from the zona pellucida allowing the blastocyst's outer
Prenatal_development
Chemical compound
and then as an agent to enhance embryo or blastocyst implantation in women undergoing embryo or blastocyst transfer associated with in vitro fertilization
Epelsiban
Protein-coding gene in the species Homo sapiens
eminence Top expressed in morula secondary oocyte zygote primary oocyte blastocyst ovary right kidney More reference expression data BioGPS n/a Gene ontology
Tata-box binding protein like 2
Tata-box_binding_protein_like_2
Species of small, carnivorous mammal native to North America
after giving birth and leave the den to find a mate. Implantation of the blastocyst is delayed until the following spring, when they give birth and the cycle
Fisher_(animal)
Protein-coding gene in the species Homo sapiens
zygote Gonadal ridge cartilage tissue primary oocyte secondary oocyte blastocyst morula spermatocyte spermatid Meckel's cartilage More reference expression
MORC family CW-type zinc finger 1
MORC_family_CW-type_zinc_finger_1
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