Talk:Muscle cell

Disambiguation to Actual Page?

Other ambiguities for myocyte aren't listed. Should this page be an actual article, not a disambiguation page? Temporaluser (talk) 04:51, 19 March 2008 (UTC)

This page needs a lot of work! For a start it could talk about the specialised types of cell e.g. cardiac myocytes. There are a number of grammatical errors in the page and it generally lacks information. Grim Faerie (talk) 14:36, 16 August 2008 (UTC)

The term "muscle cell" should redirect to myocyte but not skeletal muscle. The myocyte article should give a concise overview of the well-known types of muscle cells. Let the articles for the different muscle cell types provide the details. Chibibrain (talk) 05:08, 13 November 2009 (UTC)

Two problems

two things wrong about this article. 1. myoblasts don't fuse into myofibers. myoblasts don't even fuse. they differentiate into myocytes which fuse into myofibers. 2. myoblasts don't differentiate into satellite cells. satellite cells differentiate into myoblasts.

satellite cells > myoblasts > myocytes > muscle fibers Kuang and Rudnicki (2008) is a good source. they do suggest myoblasts may dedifferentiate back into satellite cells however. i dont have time to edit the page right now though. maybe someone else is up to the task? —Preceding unsigned comment added by JohnLattier (talk • contribs) 18:38, 28 April 2008 (UTC)

Factual inaccuracies

Myoblasts refer to all types of muscle cells. They are not simply skeletal muscle cells. Chibibrain (talk) 04:50, 13 November 2009 (UTC)

Proposed merge

A myoblast obviously isn't the same thing as a myocyte, but they are closely interrelated, and both articles are meagre stubs. Surely it makes more sense to merge them, and have all the info in one place? Anxietycello (talk) 02:52, 4 May 2010 (UTC)

Merged; based on good suggestion and two years with no objections. --EncycloPetey (talk) 22:03, 16 July 2012 (UTC)

Possible vandalism?

Noticed this addition in a recent change to this page:

" Individual muscle fibrils are ejaculated on and surrounded by endomysium. "

The whole change included other additions that seemed constructive; is this vandalism, or is it constructive in this context? Kierkkadon (talk) 14:37, 16 January 2013 (UTC)

I did some checking and found out that the other changes were just noise, possibly in an attempt to avoid automated anti-vandalism measures. I've reverted the change and posted a warning on his Talk page. Kierkkadon (talk) 14:55, 16 January 2013 (UTC)

Requested move 26 September 2015

The following is a closed discussion of a requested move. Please do not modify it. Subsequent comments should be made in a new section on the talk page. Editors desiring to contest the closing decision should consider a move review. No further edits should be made to this section.

The result of the move request was: not moved. The consensus is that the proposed title is not actually the same topic as the current one. Jenks24 (talk) 08:08, 19 October 2015 (UTC)

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Myocyte → Muscle fibre – I propose this move having seen the excellent move by Philg88. Such a move makes the name much more approachable for lay readers and, I believe, meets WP:COMMONNAME. Tom (LT) (talk) 00:05, 26 September 2015 (UTC) --Relisted. George Ho (talk) 07:17, 8 October 2015 (UTC)

• Ping to Philg88 who boldly made this move and EncycloPetey who reversed it. --Tom (LT) (talk) 00:06, 26 September 2015 (UTC)

• This was requested as an uncontroversial technical request at the requested moves page - I'm just the admin who moved the article because of the target page history and have no dog in this hunt.  Philg88 ^♦talk 05:51, 26 September 2015 (UTC)

• Move that place a US- or UK-specific spelling into the article title are likely to be controversial. --EncycloPetey (talk) 14:51, 26 September 2015 (UTC)

• Oppose. (1) The article is written in US English. It would be a violation of WP:MOS to mix UK and US spellings in the same article; US English has precedence, so the title Muscle fibre is a no-go. (2) The terms myocyte and muscle fiber/fibre are not actually synonyms. A myocyte is a muscle cell, as derived from a myoblast. A muscle fiber/fibre is the product of the fusion of multiple muscle cells to form the multinucleated structures present in mature skeletal and cardiac muscle of vertebrates. Such multinucleate fusion does not occur in smooth muscle nor in non-vertebrates, so the title muscle fiber/fibre would necessarily restrict coverage of the article to a subset of muscle cells. (3) There is much possibility of confusion between muscle fiber/fibre and myofibril. It is better to keep the title less likely to cause confusion to a reader. --EncycloPetey (talk) 03:06, 26 September 2015 (UTC)

EncycloPetey - it would be helpful if you could clarify this in the article itself. Cheers --Iztwoz (talk) 21:08, 26 September 2015 (UTC)

My personal library does include several volumes on human anatomy and physiology, and a couple of comparative anatomical books on vertebrates, but they cover mostly gross anatomy of mature tissue. What is needed for citing this information are books on either embryonic development of the various muscle tissues or a volume that includes microanatomical coverage of invertebrate muscle. My own library does not contain such books and (unfortunately) I no longer have a nearby university library or access to journal articles, and so lack the resources that would be needed to provide that sort of information with citations. --EncycloPetey (talk) 22:53, 26 September 2015 (UTC)

• Oppose. The proposal seems to be based on a mistake. Muscle fibres are not made of muscle cells. The fibres are subcellular and are covered at Myofibril. I have altered the redirect Muscle fibre, recently made by the page moves mentioned above and pointing to myocyte to now point to myofibril. --SmokeyJoe (talk) 03:34, 16 October 2015 (UTC)

• What EncycloPetey is talking about above is true, but is a higher level of structure than the smallest unit of fibre, and is probably best covered at Muscle_tissue#Structure. It is a bit content-forked with Muscle#Microanatomy. --SmokeyJoe (talk) 03:41, 16 October 2015 (UTC)

  Actually, no...on both counts. A myofibril is a contractile unit within a muscle cell--any muscle cell. But a muscle fibre is a synonym for a somatic (skeletal) muscle cell. (see e.g. Marieb & Hoehn, Human Anatomy & Physiology, 8th ed., Ch.4, p.136) Also, there is no content fork here, as Muscle is the general article for the subject, with the other articles being more narrowly specialized in their coverage. A content fork only exists when two parallel articles exist with the same intended scope, not when one of the articles is the umbrella article with a much broader scope. --EncycloPetey (talk) 04:07, 16 October 2015 (UTC)

• Well, OK. You may be more right, I think there are degrees of usage. I think I want to be stronger on these points: (1) A myofribril is a fibre and someone searching for muscle fibre could very well want myofibril; (2) Muscle fibre should not redirect to Myocyte, but maybe to a specific section here or elsewhere, or deleted so that specific searches are not hijacked by someone's best guess redirect. --SmokeyJoe (talk) 04:20, 16 October 2015 (UTC)

• There are no "degrees of usage". Myofibrils are indeed composed of protein filaments, but a muscle fibre is always a particular sort of muscle cell. The two terms are often confused with each other, but they are never synonymous. The meaning of the term muscle fibre is explained in the opening paragraph of this article, thanks to a recent rewrite by Iztwoz. If a link from an article on Wikipedia has misused the term muscle fibre to mean protein filaments, then that article should be corrected, rather than assuming that everyone has gotten it wrong and putting the redirect to the incorrect meaning. --EncycloPetey (talk) 06:10, 16 October 2015 (UTC)

• Dictionaries appear to agree with you. However, I still think that the term "muscle fibre" is an invented descriptive term too capable of being used in other ways, and the current title is better defined as a concept, and I oppose the rename. --SmokeyJoe (talk) 06:28, 16 October 2015 (UTC)

• If you disagree with the usage found in dictionaries, textbooks, encyclopedias, and scientific articles, then please take that issue up with them. --EncycloPetey (talk) 01:01, 17 October 2015 (UTC)

• I don't disagree, these things don't necessarily cover every possible interpretation, and I am not sure why we are arguing. --SmokeyJoe (talk) 10:31, 18 October 2015 (UTC)

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The above discussion is preserved as an archive of a requested move. Please do not modify it. Subsequent comments should be made in a new section on this talk page or in a move review. No further edits should be made to this section.

Fibre types?

In the beginning of the section "Fiber typing" it is mentioned that a subtype IIb or IIB does not exist. This is currently state of the art and therefore correct. However, in the subsection "Type distribution" type 2b is mentioned rather often:

• "Sprint athletes, on the other hand, require large numbers of type 2 b fibers."
• "... some of the type 2b fibers transform into type 2a fibers."
• It may well be that the type 2b fibers show enhancements of the oxidative capacity ..."

In my opinion these can be changed to IIX without a problem. Furthermore, I would like to change "Middle distance event athletes show approximately equal distribution of the 2 types." to "Middle distance event athletes show approximately equal distribution of the two types." Otherwise there might be confusions whether they have the same amount of type IIA and IIX fibres or type I and type II fibres.

Any objections? — Preceding unsigned comment added by 129.206.108.162 (talk) 08:14, 6 September 2016 (UTC)

Go ahead, but restrict it to humans only, since, as the article states, plenty of other organisms have IIb (or other isoforms). HCA (talk) 16:49, 6 September 2016 (UTC)

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Size

What is the size of muscle cells (skeletal and other)? From “average” to body-builder. I presume the length doesn’t change (with exercise). And compare that with other (human) cells.

NB: The membrane width isn’t cited either (just the lamina coat at 50 nm); the intro diagram shows the membrane being about 2% of width. So if the coat is 10% of membrane, cell is 25 μm wide. So (well) over a million in a bicep?

MBG02 (talk) 01:21, 15 November 2018 (UTC)

Google tells me 172k to 419k fibers in a bicep [1]. So 60 μm wide. MBG02 (talk) 02:28, 15 November 2018 (UTC)

"Muscle fibers, fast-twitch" listed at Redirects for discussion

A discussion is taking place to address the redirect Muscle fibers, fast-twitch. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 April 9#Muscle fibers, fast-twitch until a consensus is reached, and readers of this page are welcome to contribute to the discussion. _signed, Rosguill ^talk 01:22, 9 April 2021 (UTC)

"Muscle fibre" listed at Redirects for discussion

A discussion is taking place to address the redirect Muscle fibre. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 April 9#Muscle fibre until a consensus is reached, and readers of this page are welcome to contribute to the discussion. _signed, Rosguill ^talk 01:22, 9 April 2021 (UTC)

Requested move 17 April 2021

The following is a closed discussion of a requested move. Please do not modify it. Subsequent comments should be made in a new section on the talk page. Editors desiring to contest the closing decision should consider a move review after discussing it on the closer's talk page. No further edits should be made to this discussion.

The result of the move request was: moved. (closed by non-admin page mover) ~ Aseleste (t, e | c, l) 07:29, 24 April 2021 (UTC)

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Myocyte → Muscle cell – Far more widely used - myocyte hardly registers on nGrams, and is outnumbered 5 to 1 against muscle cell on Google search. Muscle cell would avoid confusion of myocyte with muscle fiber. Iztwoz (talk) 06:50, 17 April 2021 (UTC)

• Support per WP:COMMONNAME.--Ortizesp (talk) 02:21, 18 April 2021 (UTC)
• Support per WP:COMMONNAME. Rreagan007 (talk) 16:23, 18 April 2021 (UTC)

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Did human have muscular cells or not

Did human have muscular cells or not 156.200.222.77 (talk) 22:05, 16 November 2022 (UTC)