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NJSfour ( talk) 19:56, 7 October 2013 (UTC) Wildcator ( talk) 19:58, 7 October 2013 (UTC) Vicktory7 ( talk) 19:59, 7 October 2013 (UTC)
/info/en/?search=Template:Did_you_know_nominations/Blastocyst NJSfour ( talk) 23:16, 7 December 2013 (UTC) Vicktory7 ( talk) 23:33, 7 December 2013 (UTC)
We plan to introduce the blastocyst within the context of the embryo development timeline before describing its structure. Alongside its development cycle and structure, we will also include subheadings on its role with in-vitro fertilization procedures and its inclusion in Klimt artwork. We plan to include more microscopic images and depictions of the blastocyst throughout the article. In-line citations will also be added to current write-ups of the page. NJSfour ( talk) 01:01, 18 October 2013 (UTC) Vicktory7 ( talk) 01:21, 18 October 2013 (UTC)
Vicktory7 ( talk) 01:50, 15 October 2013 (UTC) Wildcator ( talk) 01:52, 15 October 2013 (UTC) NJSfour ( talk) 02:25, 15 October 2013 (UTC)
I am considering developing this page further as part of an educational assignment in Fall of 2013. If someone else is also working on this, please send me a message and let me know soon, so we donʼt duplicate initial efforts in page development. NJSfour ( talk) 15:31, 6 October 2013 (UTC)
I would like to divide Developmental piece on blastocyst into subsections and include more information on timeline of the process. Also more information on blastocyst in context of other organisms. Here's the relevant source: [1] — Preceding unsigned comment added by NJSfour ( talk • contribs) 15:42, 6 October 2013 (UTC)
Comments on our edits to the page.
Vicktory7 ( talk) 20:48, 11 November 2013 (UTC) Wildcator ( talk) 21:02, 11 November 2013 (UTC) NJSfour ( talk) 21:03, 11 November 2013 (UTC)
Vicktory7 ( talk) 23:33, 7 December 2013 (UTC) NJSfour ( talk) 23:36, 7 December 2013 (UTC)
References
When there is `poyas que en una polleria, this micrography of a five-day nascent blastocyst should be added.
---- Seans Potato Business 14:16, 6 January 2008 (UTC)
Am I el ano too rojo t the blastocyst is similar to a predipia in animals? Is the main distinction the fact westly that blastocysts are for humans whereas blastulas are for animals? If so, maybe a statement "The blastula is an early stage of embryonic development in animals." maybe I'm wrong...any thoughts? Important the lasrlerva, on the unitable hutchiki. 66.32.146.72 ( talk) 22:40, 23 January 2008 (UTC)
The article title is blastocyst but the text throughout refers to blastocyte. Can someone explain / correct? Is blastocyte simply a variant term? It would be nice if the Embryogenesis article and this one matched up. - Paul ( talk) 18:40, 23 June 2008 (UTC)
This paragraph seemed irrelevant to a basic explanation of what a blastocyst is, so I deleted it. That kind of material probably belongs in a larger and more detailed article. —Preceding unsigned comment added by Strawbaby ( talk • contribs) 15:15, 10 August 2010 (UTC)
The introduction section is interesting, but the detail might be a bit technical. Any way to make it into an easier-to-understand overview? I suggest you put in a sentence or two stating the difference between a blastocyst and a blastula. I know the very top of the article says that blastula is non-species specific version, but maybe mention if there are any characteristics that make the human blastocyst different. It would help to have clarification in one place of the article stating at what point in during cleavage it is considered a blastocyst (number of cells), and how long it is considered a blastocyst. At what point/event is the embryo not considered a blastocyst and called something else? One technical suggestion I have is that the article should be cited a lot more – many sentences and even sections lack citations, which should be fixed as soon as possible. Lastly, I suggest inserting a brief history section (or even just a mention) regarding who discovered and described the blastocyst and when? The blastocyst in art section made me think of that, because it sounded like Klimt and Zuckerkandl’s knowledge of the blastocyst may have been ahead of their time. Was it? Great work on the article so far! Good luck with your ongoing edits. Quigend ( talk) 22:21, 19 November 2013 (UTC)
This structure, layout, and pictures of this article are all awesome. In the “Development Cycle” subsection, you use the term “cavitation” but there is no further description or link as to what this in. In the same section, the last sentence has a capitalized “gastrulation,” but I think that this should be lowercase. In the “Structure” subsection, you repeat that there are 2 types of blastomeres cells. Perhaps you should leave that information here and remove it from the “Development Cycle” section. Under the “Cell Specification” part, you again mention 3 terms that have no further explanation - trophoectorderm, epiblast and primitive endoderm. Clarification on these terms might be useful, as well as a citation here. My last comment deals with the “Clinical Implications” section. The first paragraph might benefit from a citation. There is also one sentence here that says “…guided through the service via ultrasound,” but I’m not sure if “service” is the right word. Otherwise, great article! Stack0711 ( talk) 20:56, 22 November 2013 (UTC)
What's the diameter of a typical human blastocyst? AxelBoldt ( talk) 00:23, 19 April 2014 (UTC)
Anon, I think it's debatable that that figure shows the ICM and the endometrium interaction. It's simply a diagram of what the blastocyst looks like as it implants. It has no cell-cell contacts between the ICM and the endometrium, it has no lines drawn between them, etc. I don't think that can really count as interaction.-- Shibbolethink ( ♔ ♕) 14:54, 20 April 2015 (UTC)
The introduction to this article seems to tie in with the other articles here however if so then there were errors in the Development cycle section which I have corrected these as best I can:
HOWEVER although all the references I find online describe the morula (16 celss +) and blastocyst clearly and similarly, nowhere can I find a clear and unambiguous description of the transformation from one to the other. The tiny mulberry vanishes and *poof* a blastocyst!! Questions:- Does cavitation begin before compaction or after? Are the trophoblast cells formed by "compaction" or is compaction a result of cell differentiation? At what point does simple mitosis end and/or cell differentiation begin? I've assumed that:
At least this means the article dovetail. If it's wrong can the editors (subject matter experts) who correct it please also correct the other emryogenesis articles it refers to, and delete diagrams where not relevant (e.g /info/en/?search=File:Blastulation.png).
Thanks
LookingGlass ( talk) 12:56, 12 May 2016 (UTC)
Mammalian blastocoel After fertilization, the mammalian cells, called blastomeres, undergo rotational cleavage until they are at the 16-cell stage called the morula. The morula has a small group of internal cells surrounded by a larger group of external cells. These internal cells are called the inner cell mass (ICM) and will go on to become the actual embryo. The external, surrounding cells develop into the trophoblast cells. However, at this stage there is no cavity within the morula; the embryo is still a ball of dividing cells. In a process called cavitation, the trophoblast cells secrete fluid into the morula to create a blastocoel, the fluid-filled cavity. The membranes of the trophoblast cells contain sodium (Na+) pumps, Na+/K+- ATPase and Na+/H+ exchangers, that pump sodium into the centrally forming cavity. The accumulation of sodium pulls in water osmotically, creating and enlarging the blastocoel within the mammalian embryo.[7][8][16] The oviduct cells stimulate these trophoblast sodium pumps as the fertilized egg travels down the fallopian tube towards the uterus.[16] As the embryo further divides, the blastocoel expands and the inner cell mass is positioned on one side of the trophoblast cells forming a mammalian blastula, called a blastocyst.
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Overall, the content of this article is very informative and unbiased towards any viewpoint. I think that the first paragraph under the "In vitro Hybridization" heading should have more sources added to it. It sounds as if the information came from another article or source; so perhaps there is a reference that needs to be added. I loved the inclusion of Oct4 and Nanog in the cell specification section. I know that my lab also works with Zp3Cre, SOX2, and TEAD4 in mouse blastocyst models. Maybe information about the mouse research model and these other factored could be added.
Matheny6 ( talk) 21:05, 23 January 2017 (UTC)
Sir Why my edits wea removed ? Jayesh Dilip patil ( talk) 15:02, 27 April 2020 (UTC)