Uterus mammalian embryos. Medical search. Frequent questions

Aguilera Castrejón, currently a doctoral student in the lab of Jacob Hanna at the Weizmann Institute of Science in Rehovot, Israel, delivered a talk on his work developing in vitro systems for the culture of mammalian embryos outside the maternal uterus and then using these systems to gain insights into mammalian embryogenesis. (mit.edu)
Often, women will undergo treatments for infertility that range from taking hormones to stimulate ovulation to having their eggs harvested by doctors, fertilized by their partner's sperm outside their bodies, and finally having the early embryos implanted directly into their wombs (the technique of in vitro fertilization). (sciencedaily.com)
Establishment of a new in vitro Culture System and functional Analysis of Sonic Hedgehog and FGF8 in the Determination of Laterality in the Rabbit Embryo Dissertation zur Erlangung des Doktorgrades der Naturwissenschaften (Dr. rer. (studylibde.com)
Key in vitro gene mutation studies in mammalian cells were identified. (europa.eu)
To achieve this, cells of in vitro produced bovine embryos were traced from the 2-cell stage to the blastocyst stage. (bioone.org)
In vitro fertilization (IVF) involves combining an egg and sperm within a laboratory setting to create an embryo. (ivf.net)
From the opening of the book the reader is lead on a fantastic voyage from the formation of the primordial oocyte to the development of the early embryo, passing through crucial processes of oogenesis, such as co-ordination of oocyte and follicle growth, gene expression and organelle reorganization during growth and maturation, epigenetic mechanisms, regulation of meiosis, totipotency, cell polarity, oogenesis in vitro and maternal regulation of early development. (ivf.net)
Anne McLaren was a British developmental biologist who made major contributions to our understanding of mammalian improvement and was a key participant in the development of in vitro fertilisation (IVF). (timesinform.com)
2019). Akin to the dynamic nutrient requirements of the developing embryo, discrete in vitro cell states have distinct metabolic profiles (Zhou et al. (conditionmed.org)
Influence of organochlorine pesticides on development of mouse embryos in vitro . (cdc.gov)
NMP is not genotoxic in in vitro changes based on dose-response information from two inhalation and in vivo bacterial and mammalian test systems. (cdc.gov)

Until a mammalian embryo implants in the uterus, the egg cell has to supply it with everything it needs to survive, including essential proteins. (mpg.de)
Only then does the embryo continue its development at normal pace and implants in the uterus. (infuture.eu)

We conclude by recommending that cell-to-cell conversation provides a system to exploit and buffer inter-cellular variability inside a self-organized procedure that culminates in Cyclosporin C the reproducible development from the adult mammalian blastocyst stage embryo that's prepared for implantation in to the maternal uterus. (synanet2020.com)
By the proper period of its implantation in to the maternal uterus, the mammalian embryo includes three specific cell types. (synanet2020.com)
Since the immune milieu of pregnancy is unique - not replicated in any other circumstances - specific embryo-derived signals have a crucial role leading to maternal recognition of pregnancy [ 4 ]. (biomedcentral.com)
To orchestrate such critical 'cross-talk', a viable embryo must be present, which may be accepted by the mother, whereas, a non-viable conceptus will fail to develop or later be rejected since maternal acceptance does not occur. (biomedcentral.com)
It also remains unclear whether the amino acids are actually responsible for the resumption of embryonic development or whether the embryo itself also secretes molecules that act on maternal cells and signalling pathways. (infuture.eu)
After implantation differentiation of trophoblast large cells which get excited about the remodeling from the maternal uterus during implantation is certainly achieved through many endocycles resulting in boosts of DNA articles up to 1000N (48). (bioerc-iend.org)
Terminal development is disrupted in the dri maternal and zygotic mutant embryos. (sdbonline.org)
Both head and tail defects are invariably observed in dri maternal and zygotic mutant embryos. (sdbonline.org)
The most consistent effect on expression of the segmentation genes in the dri maternal and zygotic mutant embryos is a disruption to the expression of even-skipped ( eve ) stripe 4, observed in nearly all embryos lacking both maternal and zygotic dri product. (sdbonline.org)

advancement in minimal moderate, the preimplantation embryo is a tractable system for analysis and manipulation in the single-cell level highly. (synanet2020.com)
Genetic and pharmacological tests have offered insights in to the transcriptional and signaling systems managing lineage decisions in the Cyclosporin C preimplantation embryo. (synanet2020.com)
Used jointly these total outcomes claim that can be an important regulator from the cell routine in the preimplantation embryo. (bioerc-iend.org)

We after that review latest theoretical techniques that formalize the systems underlying destiny decisions in the internal cell mass from the blastocyst stage embryo. (synanet2020.com)
Origin from the three cell types composed of the mammalian blastocyst Through the first couple of days of advancement the mouse embryo undergoes some specific morphological and mobile events to changeover from an individual totipotent cell, the zygote, to a ~200 cell embryo composed of three specific, spatially organized cell types at around embryonic day time (E) 4.5 (discover Fig. 1 for a synopsis of preimplantation advancement and staging strategies). (synanet2020.com)
Determine PIF levels in culture medium of multiple mouse and single bovine embryos cultured up to the blastocyst stage using PIF-ELISA. (biomedcentral.com)
PIF levels in mouse embryo culture medium significantly increased from the morula to the blastocyst stage (ANOVA, P = 0.01). (biomedcentral.com)
The first lineage specification during mammalian embryo development can be visually distinguished at the blastocyst stage. (bioone.org)
In mouse embryos, cells seem prepatterned to become certain cell lineage because the first cleavage plane has been related with further embryonic-abembryonic axis at the blastocyst stage. (bioone.org)
In the mouse, a transporting epithelium is established around the 8-16-cell stage through a process known as compaction where cell definition is lost and the outer cells of the embryo form tight junctions, giving rise to the blastocyst. (conditionmed.org)

Dolly was the first successfully created clone from an adult mammalian cell. (worldtimetodays.com)

The early mammalian embryo consists of the extra-embryonic cell layers-the trophoblast and a body of cells called the inner cell mass (ICM), which eventually become the embryo proper. (thefutureofthings.com)

The protective mechanism which protects the host from disease, as a result of invasion of viruses, bacteria, or other pathogens, is also able to recognize cells which come from a different mammalian host, even an allogeneic host. (justia.com)
We conclude by discussing differences and commonalities in preimplantation advancement between different mammalian varieties. (synanet2020.com)

An electric shock was used to stimulate the hybrid cell to divide and create an embryo, which was then implanted into the uterus of a surrogate mother. (worldtimetodays.com)

The search to identify embryo-specific markers which reflect viability of cultured embryos by assessing the medium or by performing an embryo biopsy (beyond morphological evaluation) has been ongoing. (biomedcentral.com)

After mating and fertilisation of the egg in midsummer, the pinhead-sized embryo does not implant in the uterus, but enters into a period of dormancy, called embryonic diapause. (infuture.eu)
For example, in women and in domestic cattle, embryos often fail to implant in the uterus and die. (infuture.eu)
Finally, the fertilized egg must become a viable embryo and implant in the uterus. (sciencedaily.com)
One issue may be that once a woman's egg is fertilized and made into an embryo, it must descend to the womb and implant there, where it will grow into a fetus. (sciencedaily.com)
But the factors that control whether an embryo is able to implant successfully inside a womb have not been known. (sciencedaily.com)
Now Chun and his colleagues have discovered a new molecular pathway that influences fertility, at least in mice -- and one that directly affects the ability of mouse embryos to implant in their mother's womb. (sciencedaily.com)
After a brief incubation period, the embryo is placed into the uterus, where it may implant and initiate a pregnancy. (ivf.net)
The resulting embryo is then transferred to the uterus, where it's hoped that it will implant and develop. (timesinform.com)

Includes: Corpus Luteum Ovarian Follicles Epididymis Graafi an Follicles Placenta Ductus Deferens Ovary Sperm Testis Fallopian Tube Uterus Embryo Unfertilized Egg Prostate Proglottid. (schoolmasters.com)
Dr. Beard's hypothesis developed out of his study of the mammalian placenta, the connection between the growing embryo and the mother's blood supply. (fleetwoodonsite.com)
In its earliest incarnation, Beard realized, the placenta behaves much as a malignant tumor, invading into the uterus while creating a complex blood supply. (fleetwoodonsite.com)
Mammalian placentas are classified mainly into two types: - Yolk sac placenta - Chorioallantoic placenta. (ge-shi.net)
McLaren's early work centred on mouse embryology, and she or he made critical discoveries about the role of the placenta in mammalian development. (timesinform.com)
The researchers are already working on a synthetic placenta-like structure that they hope will allow the synthetic embryos to continue growing one or two days past the eight-day mark. (technologyreview.com)

Nevertheless and in stunning contrast to various other types the mammalian zygote divides gradually. (bioerc-iend.org)

In addition, embryonic stem cells may be modified by homologous recombination for use in producing chimeric or transgenic mammalian hosts, which may be used as source of universal donor organs. (justia.com)
Various forms of embryonic diapause are known to occur in over 130 mammalian species. (infuture.eu)
In a new study, the researchers show which molecular processes take place in the embryo while it is dormant: embryonic cells continue to divide during diapause, albeit very slowly. (infuture.eu)

The rabbit develops via a flat blastodisc phase representing the archetypical mode of mammalian embryogenesis. (studylibde.com)

Interestingly, human and mouse oocytes developmental potential is accurately predicted by their cortical tension within hours after fertilization: if they are too stiff or too soft, embryos will cease development (4). (espci.fr)
To determine the role of PIF in post-fertilization embryo development, we measured the peptide's concentration in the culture medium and tested endogenous PIF's potential trophic effects and direct interaction with the embryo. (biomedcentral.com)
Examine the inhibitory effects of anti-PIF-monoclonal antibody (mAb) added to medium on cultured mouse embryos development. (biomedcentral.com)
PIF is an early embryo viability marker that has a direct supportive role on embryo development in culture. (biomedcentral.com)
Overall, our data supports PIF's endogenous self sustaining role in embryo development and the utility of PIF- ELISA to detect viable embryos in a non-invasive manner. (biomedcentral.com)
increased public sensitivity and awareness together with the development of national regulations of governance of human cloning and embryo research in general. (lifeissues.net)
Recording and contextualizing the science of embryos, development, and reproduction. (asu.edu)
His photography was the first to capture early human development and the developmental stages of embryos and fetuses. (asu.edu)
This, in turn, increases the expression of metabolic and cell cycle genes, driving embryo development forwards. (infuture.eu)
In human reproduction, pregnancy (or gestation) is the development of one or more offspring, known as an embryo or fetus, in the uterus of a woman. (navacenter.com)
Anne McLaren became a wonderful scientist who made big contributions to our knowledge of mammalian development. (timesinform.com)
Here, we consider the metabolism of the early embryo through development, and look at the nutrient milieu within the developing stem cell niche. (conditionmed.org)
The developing embryo, from which pluripotent stem cells originate, undergoes a series of dynamic metabolic transitions synchronized to its molecular development. (conditionmed.org)
Dalcetrapib The former which take place in most metazoans except mammals follow fertilization and can be very quickly (significantly less than 10 min in embryo) (7 35 furthermore they absence the G1 and G2 difference phases and specific checkpoint handles which make sure that confirmed step is certainly properly attained before development progresses to another step from the routine (8). (bioerc-iend.org)
Mouse embryos recently generated from stem cells in a lab show more brain development than any synthetic mouse embryos created previously. (technologyreview.com)
The team also removed a gene called Pax6, which is essential for the formation of the central nervous system and brain and eye development, to test how the model embryos would react. (technologyreview.com)
Pushing past that point will be very important for developing new drugs and establishing which drugs are compatible with natural development, says Magdalena Zernicka-Goetz, a professor in mammalian development and stem cell biology in Cambridge's Department of Physiology, Development, and Neuroscience, who led the research. (technologyreview.com)
The development of the human embryo appears even stranger when compared to the familiar things we encounter in everyday life, which tend to be made of simple, immutable units, from Lego bricks to microchips and other elements and components. (hachettebookgroup.com)
MicroRNAs (miRNAs) are evolutionarily conserved regulators of mammalian gene expression in development, immunity and pathophysiologic processes during inflammation and infection, including Chlamydia infection. (cdc.gov)
Uterus: In ovotesticular disorder of sexual development, the presence or absence of a uterus is variable. (medscape.com)

We have shown previously that this change in cortex mechanics controls the geometry of oocyte (and embryo) division since oocytes presenting too stiff or too soft cortices divide symmetrically (1-3). (espci.fr)
We show that aberrant cortical tension, a frequent defect in a normal population, could lead to chromosome alignment defects in oocytes, potentially contributing to oocyte predisposition to chromosome segregation defects, a leading cause of aneuploidy in embryos. (espci.fr)
The oocyte is the largest and most mysterious cell in the body of mammalian organisms. (ivf.net)

P53 depletion in naive hPSCs increased their contribution to mouse-human cross-species chimeric embryos upon priming and differentiation. (janelia.org)

To test the basis for defects in patterning, genes required for segment formation in the Drosophila embryo were examined. (sdbonline.org)

It is decidualization, terminal stromal maturation, that prevents the trophoblast from breeching containment of the uterus and allows for endometrial sloughing should pregnancy not occur. (bvsalud.org)
BACKGROUND: Receptivity of the uterus is essential for embryo implantation and progression of mammalian pregnancy. (bvsalud.org)
PreImplantation Factor (PIF), a novel peptide secreted by viable embryos is essential for pregnancy: PIF modulates local immunity, promotes decidual pro-adhesion molecules and enhances trophoblast invasion. (biomedcentral.com)
A multiple pregnancy involves more than one embryo or fetus in a single pregnancy, such as with twins. (navacenter.com)
Human pregnancy is the most studied of all mammalian pregnancies. (navacenter.com)
The stem-cell-derived embryos could shed new light on the earliest stages of human pregnancy. (technologyreview.com)
While the synthetic embryos were able to reach the same developmental stage as the natural mouse embryos, they stopped growing around halfway through a typical mouse pregnancy period of 19 to 20 days, and they failed to develop past the eighth day. (technologyreview.com)

The oviduct or Fallopian tube is the anatomical region where every new life begins in mammalian species. (lozierinstitute.org)
Our objective was to determine whether this would be the case in another mammalian species, the bovine. (bioone.org)
In the case of the Pyrenean ibex, for example, the Spanish scientists created 439 eggs containing the extinct species' nuclei, but only 57 developed into embryos. (nationalgeographic.com)
Although many species produce clonal offspring in this fashion, Dolly, the lamb born in 1996 at a research institute in Scotland, was the first asexually produced mammalian clone. (who.int)

Conversely, in standard-cultured embryos showing altered LR marker gene expression, maturation of the PNC was impaired leading to a disturbance of leftward flow. (studylibde.com)

The pathway that affects implantation involves a particular type of receptor molecule -- a protein called a lysophosphatidic acid (LPA) receptor that can be found on the surfaces of cells in the brains and in the uteruses of mammals, where it binds to LPA, one type of phospholipid. (sciencedaily.com)

Next, they took a closer look at the transcriptome, i.e., the sum of all messenger RNA molecules, of the embryos and the uterine epithelial cells. (infuture.eu)

Aguilera Castrejón's platform allows post-implantation mouse embryos to develop outside the uterus for up to 6 days, and can also be used to culture stem cell-derived embryo models. (mit.edu)
Detectable - though low - PIF levels were secreted already by 2-cell stage mouse embryos. (biomedcentral.com)
McLaren also did groundbreaking work on cloning and genetic engineering and became one of the first scientists to efficaciously transplant a fertilised mouse embryo into every other mouse. (timesinform.com)
She was one of the first scientists to effectively transplant a fertilised mouse embryo into some other mouse, and her paintings helped pave the way for the improvement of cloning. (timesinform.com)
Which of these established cell lines originate from a mouse embryo? (vnedu.org)
While other researchers had created mouse embryos from stem cells, none had reached the point where the entire brain, including the anterior portion at the front, began to develop, according to the researchers from the University of Cambridge and the California Institute of Technology. (technologyreview.com)
The new model embryos, which bypass the need for sperm or egg cells, were developed in the lab alongside natural mouse embryos. (technologyreview.com)
The embryos were developed in an artificial incubator created by Jacob Hanna of the Weizmann Institute in Israel, who recently kept realistic-looking mouse embryos growing in a mechanical womb for several days until they developed beating hearts, flowing blood, and cranial folds. (technologyreview.com)
By mimicking the natural processes of how a mouse embryo would form inside a uterus, the researchers were able to guide the cells into interacting with each other, causing them to self-organize into structures that progressed through developmental stages to the point where they had beating hearts and foundations for the entire brain. (technologyreview.com)
Zernicka-Goetz's work is both incredibly practical and astonishingly vast: her groundbreaking experiments with mouse, human, and artificial embryo models give hope to how more women can sustain viable pregnancies. (hachettebookgroup.com)

A. Transplanting an embryo into the uterus B. Fertilization of an egg in a test tube C. Selectively breeding healthy animals D. Taking the sperm and placing it directly. (vnedu.org)

The embryo must make itself known at the right time through appropriate (molecular) signals and interrupt the mother's cycle. (infuture.eu)

Acquisition of receptivity involves major molecular and cellular changes in the endometrial lining of the uterus from a non-receptive state at ovulation, to a receptive state several days later. (bvsalud.org)

Measurement of free radicals in the culture medium of developing embryos has been reported as an index for embryo viability. (biomedcentral.com)

In contrast, atretic embryos medium was similar to the medium only control. (biomedcentral.com)
In contrast to the semi-dry standard culture method, this setting corresponded more to the in vivo conditions of gastrulating/neurulating rabbit embryos in the uterus. (studylibde.com)

This hybrid egg is then implanted into the uterus of a female surrogate for gestation, and voilà: The surrogate gives birth to a clone. (nationalgeographic.com)
DNA is microinfected into the fertilized egg A. after the fusion of male and female nuclei B. before the fusion of male and female nuclei C. at the time of fusion of male and female nuclei D. any time, it can be infected In which year, Dolly the first mammalian clone was born? (vnedu.org)

Within the uterus, such signals support implantation [ 2 ] while in the periphery they induce and/or maintain tolerance without allowing for deleterious immune suppression to occur [ 3 ]. (biomedcentral.com)

Many transitions in the business from the cell routine are found during early mammalian advancement. (bioerc-iend.org)
As in various other multicellular microorganisms including vertebrates mammalian advancement also starts by an activity called cleavage comprising some mitotic divisions without upsurge in embryo size. (bioerc-iend.org)

Endothelial cells can be found throughout the whole vascular system and they also play a vital role in the movement of white blood cells ECs were first thought to arise from extraembryonic tissues because blood vessels were observed in the avian and mammalian embryos. (wikipedia.org)
The study, published in the journal Molecular Cell, is another step in solving one of the great mysteries of life - a tiny ball of identical cells implants itself in the uterus, and somehow, these cells begin to differentiate - each heading for a different fate. (weizmann-usa.org)
While using the system to knock out genes essential to regulating MYC, a protein often dysregulated in cancer, de Almeida and a fellow grad student stumbled across a poorly understood gene, AKIRIN2, which they discovered to control the import of enzymes that break down unnecessary or damaged proteins into the nucleus of mammalian cells. (mit.edu)
mTOR reacts to amino acids and plays a crucial role in many metabolic signalling pathways in mammalian cells, including those associated with cancer. (infuture.eu)
Surprisingly, we found that there is a significant percentage of the embryos (∼60%) with labeled and nonlabeled cells randomly distributed and intermingled. (bioone.org)
With that publication, "genome engineering of mammalian cells just took a big step forward," he says. (nationalgeographic.com)

Anne McLaren turned into a British developmental biologist who made substantial contributions to our understanding of early mammalian improvement. (timesinform.com)
The differential regulation of aos and btd domains by dri occurs at a time when Dri is found in all somatic nuclei of the embryo, so that Dri must be acting to permit the proper function of other developmental regulatory factors. (sdbonline.org)

These mice are able to produce eggs normally, so that the eggs can be fertilized, but the resulting embryos, which are otherwise healthy, have problems implanting in the womb -- the last step in conception. (sciencedaily.com)
This was an arguable topic at the time, and lots of scientists were sceptical that it would ever be possible to fertilise mammalian eggs outside of the body. (timesinform.com)

Multiple ovulation and embryo transfer (MOET) A. can increase the rate of progress in dairy cattle B. allows progeny testing of males C. allows progeny testing of females D. all of the above The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called A. amniocentesis B. ectogensis C. transplantation D. all of the above. (vnedu.org)

The analysis of samples collected four weeks post-infection showed that there were significant taxonomical differences (beta diversity) between different parts of the genital tract-vagina, uterus, and ovary/oviduct-and this difference was associated with the time of infection. (cdc.gov)

Up to the 2-cell embryo, blastomeres remain totipotent (Garner and McLaren, 1974). (conditionmed.org)

the primary pair-rule genes even-skipped, hairy and runt , and the segment polarity genes wingless and engrailed were examined in embryos lacking germline and zygotic dri function. (sdbonline.org)

The endometrium is a dynamic tissue that facilitates mammalian internal reproduction and thus, the ability to deliver live born progeny that are more easily protected from predators. (bvsalud.org)
In this new method, the so-called ring culture, a medium-filled plastic ring was placed upon the extraembryonic tissue of the explanted embryo. (studylibde.com)

Researchers are growing embryos outside the womb for longer than has ever been possible. (technologyreview.com)

Dealing with this relevant query needs calculating cell-to-cell variability in the embryo, understanding its source, and identifying its practical relevance for following destiny decisions. (synanet2020.com)
Meanwhile, since mTORC2 is not inhibited during diapause in roe deer embryos, the researchers hypothesise that this could explain why cell division slowly continues. (infuture.eu)
It is an essential structural component of mammalian cell membranes. (absoluteastronomy.com)
When this creation story is examined from the viewpoint of a human, who can struggle simply coordinating calendars to meet a few friends on a Saturday night, it is extraordinary how an embryo with no brain, consisting of a single cell, manages to divide and grow to become the most complex sentient being that we know of. (hachettebookgroup.com)

He is focused on defining the role of carbohydrate recognition in mediating human and mammalian sperm-egg binding. (missouri.edu)

An in-depth analysis aiming at re-defining this terminology according to the new developments in human embryo research would be highly beneficial . (lifeissues.net)
3. National regulations of governance of human cloning and embryo research in general adopted so far confirm the convergence of views of the refusal to adopt legislation or guidelines permitting reproductive cloning , while they still show variations on the legitimacy of human cloning carried out as part of research agendas. (lifeissues.net)
The findings, described in a paper in Nature today, could help scientists learn more about how human embryos develop and provide insights into diseases, as well as providing an alternative to animals for testing. (technologyreview.com)
Human model embryos could play a significant role in helping scientists understand why certain gene mutations happen, and they could help in testing potential treatment for a range of disorders. (technologyreview.com)
Some prohibit only cloning for reproductive purposes and allow the creation of cloned human embryos for research, whereas others prohibit the creation of cloned embryos for any purpose. (who.int)

This process involves the molecular complex mammalian target of rapamycin (mTOR). (infuture.eu)

If the receptors do turn out to be relevant to embryo implantation in humans, then the mechanisms involving these proteins might make good targets for therapeutic intervention, perhaps even leading to new treatments and successful pregnancies for some of the more than 6 million American women affected by infertility. (sciencedaily.com)

An embryo is the developing offspring during the first 8 weeks following conception, and subsequently the term fetus is used until birth. (navacenter.com)
The first trimester carries the highest risk of miscarriage (natural death of embryo or fetus). (navacenter.com)

A. Organ cultures on plasma clots B. Organ cultures on agar C. Whole embryo cultures D. All of these. (vnedu.org)

We want to better understand this interaction between embryo and mother," Ulbrich explains. (infuture.eu)

Germline and zygotic dri mutant embryos still have a recognizable dorsal bridge, dorsal and ventral arms and mouth hooks, but the H-piece and lateralgraten are missing or severely malformed. (sdbonline.org)
Specifically, the ventrolateral portion of eve stripe 4, although initiated appropriately is not maintained in dri mutant embryos, leading to the subsequent aberrant appearance of wg stripes 7 and 8 and disruption to the parasegment 4 ventrolateral setal belts (Shandala, 1999). (sdbonline.org)

In single bovine IVF-derived embryos, PIF levels in medium at day 3 of culture were higher than non-cleaving embryos (control) (P = 0.01) and at day 7 were higher than day 3 (P = 0.03). (biomedcentral.com)
In non-cleaving embryos culture medium was similar to medium alone (control). (biomedcentral.com)
When the flow was blocked during culture by methylcellulose-containing medium embryos displayed altered LR marker gene expression in a very high proportion. (studylibde.com)
Which of the following is the technique used for the embryo culture? (vnedu.org)

It serves for the transport of nutrients from the mother tissues with those of the embryo as well as the exchange of gases between the tissues of the two. (ge-shi.net)

Anatomy60

Organisms31

Diseases7

Chemicals and Drugs43

Analytical, Diagnostic and Therapeutic Techniques and Equipment40

Phenomena and Processes77

Disciplines and Occupations3

Technology, Industry, Agriculture1

Information Science5

Health Care1

Vitro11

Implants in the uterus2

Maternal9

Preimplantation embryo3

Blastocyst7

Adult mammalian1

Extra-embryonic1

Different mammalian2

Create an embryo1

Biopsy1

Implant8

Placenta6

Zygote1

Embryonic3

Embryogenesis1

Development20

Oocyte3

Chimeric1

Drosophila1

Pregnancy7

Species4

Maturation1

Mammals1

Uterine1

Mouse10

Fertilization1

Mother's1

Receptivity1

Viability1

Contrast2

Clone2

Occur1

Advancement2

Cells6

Developmental2

Eggs2

Defects1

Ovary1

Totipotent1

Genes1

Tissue2

Womb1

Cell4

Sperm1

Human5

Involves1

Infertility1

Fetus2

Cultures1

Interaction1

Mutant2

Culture4

Tissues1