Yiarn
{{ymmydynelley|meain|yiarn (reddaghey)}}
{{fogrey kemmig}}
{{WD Kishtey Fys Bunstoo Kemmigagh
|fowder = ''gyn fys''
|date = ''voish y çhenndaght''}}
She [[bunstoo]] [[meain]]agh eh '''yiarn''', as cowrey '''Fe''' er.  Ta [[trimmid breneenagh]] 55.845 g·mol as [[earroo breneenagh]] '''26''' echey.  T'eh ayns [[possan bunstoo 8|possan 8]] as [[çhymcheayrt bunstoo 4]], as myr shen, she [[meain ceaghlid]] t'ayn.  Ta yiarn as [[staillin]] ny meainyn smoo cadjin.  Ta eaghtyr soilsheanagh as lheeah-argid oc, agh t'ad [[ocsaidaghey]] ayns [[aer]] as gaase coodagh dy [[smooirane ruy]].  Ta crystal glen dy yiarn feer vog, ny s'buiggey na [[ollymin]], agh lesh goaill stiagh myn-neughlennidyn (myr sampleyr, [[carboan]]) t'ad niartaghey.  Liorish jannoo [[co-veain]] lesh meainyn elley as carboan, t'ad jannoo [[staillin]], as shen ymmodee keartyn ny s'niartey na yiarn.

[[Coadan:Fe,26.jpg|250px|thumb|right|Yiarn]]

== Troyn ==
She meain eh yiarn glen, agh s'goan ry-gheddyn er y [[cruinney|chruinney]] eh, er y fa dy vel eh [[ocsaidaghey]] dy jeean my ta [[ocsygien]] as [[ushtey]] ry-gheddyn.  Son dy gheddyn yiarn meainagh, shegin dhyt ocsygien y scughey jeh meain najooragh, liorish [[jee-ocseedaghey]] kemmigagh.  T'ad jannoo ymmyd jeh [[meain yiarn]] [[haematite]] son y chooid smoo ({{kem|Fe|2|O|3}}), as jee-ocseedaghey eh lesh [[carboan]] ec çhiassid ard.  

She [[bunstoo lorgagh]] eh yiarn son dagh ooilley organe bioag, faggys.  Cha nel agh beggan lhimmey ayn; organeyn bioag ta cummal ayns çhymbyllaghtyn er beggan yiarn, as adsyn er naafilley dy yannoo ymmyd jeh bunstooghyn elley, myr sampleyr, [[manganaish]] ayns ynnyd yiarn son [[catalysys]], ny [[haemocyanin]] ayns ynnyd [[haemoglobin]].

== Obbyr vea-oaylleeagh ==
[[Coadan:Heme b.png|thumb|right|Strughtoor [[Haem|haem B]]]]
{{Ardart|Soe yiarn deiney}}

Ta feme er yiarn ec dagh ooilley [[organe bioag]], bunnys.  Ayns killaghyn, t'eh goll er tashtey ayns [[proteen meainagh|proteenyn meainagh]], er y fa dy nod yiarn "seyr" [[catalysys|catalysaghey]] troarey [[fraue seyr|fraueyn seyr]] nieunagh.  Foddee [[laccal yiarn]] gientyn [[neufollaght laccal yiarn]].

Ayns [[baagh]]yn, [[lus|lossreeyn]] as [[fungys]]syn, she yiarn eh yn [[eeane]] ta goit stiagh 'sy troggal [[haem]].  She co-olt slane femoil phroteenyn [[cytochrome]], phroteenyn ymmyrkey oscygien (myr sampleyr, [[haemoglobin]] as [[myoglobin]]).  Ta laue ec yiarn neuorgaanagh ayns ym-obbraghey [[ocsjee]] ymmodee [[ensyme]]yn (myr sampleyr, [[nitrogenase]] as [[hydrogenase]]).  Ta proteenyn ayn as yiarn oc ga nagh vel ad nyn haemyn; t'adsyn goaill stiagh [[un-ocsygienase meetane]], [[jee-ocseedase ribbonucleotaid]] as [[haemerythin]]yn.

Ta reiltys lajer er rheam yiarn ayns [[sheeintagh|sheeintee]], er y fa dy nod eh ve feer nieunagh.<ref>{{enmysearishlioar
  | ennym = Tumor necrosis factor-α-induced iron sequestration and oxidative stress in human endothelial cells
  | screeudeyr = Nanami, M. et al.|url=http://cat.inist.fr/?aModele=afficheN&cpsidt=17328512
  | earishlioar = Arteriosclerosis, thrombosis, and vascular biology
  | blein = 2005
  | ym-lioar = 25
  | earroo = 12
  | duillag = 2495–2501
  | doi = 10.1161/01.ATV.0000190610.63878.20
  | çhengey = Baarle
}}</ref>  Chammah's shen, ta feme ec ymmodee [[bacteyr]]yn er yiarn, as liorish tashtey eh ersooyl voue, ta ny sheeintee lhiettal doghanyn.  Ta laue mooar ec y phroteen [[transferrin]] 'sy chooish, as eshyn kiangley yiarn ass [[beeal y chollane]] as gymmyrkey eh trooid yn 'uill dys killagyn.<ref>{{enmyseddyrvoggyl
 | kiangley=http://biology.plosearishlioars.org/perlserv/?request=get-document&doi=10.1371/earishlioar.pbio.0000079
 | ennym=How Mammals Acquire and Distribute Iron Needed for Oxygen-Based Metabolism
 | screeudeyr=Tracey A. Rouault
 | datefeddyn=2006-06-19
}}</ref>

=== Yiarn ayns bee ===
Ta ram yiarn ry-gheddyn ass [[feill aw]], [[yeeast]], [[eeanlee]], [[tofu]], [[pishyr chirkey|pishyryn kirkey]], [[poanrey|poanraghyn]].  Ny keayrtyn, ta yiarn currit stiagh ayns [[arran]] as [[grine]] ([[yiarnaghey (bee)|yiarnaghey]]).  T'eh ny smoo yiarn y smoo stiagh jeh feill, er y fa dy nee yiarn haem t'ayn.<ref>{{enmyseddyrvoggyl
  | kiangley = http://www.eatwell.gov.uk/healthissues/irondeficiency/ 
  | ennym = Eat well, be well - Iron deficiency
  | screeudeyr = Food Standards Agency
  | çhengey = Baarle
  | datefeddyn = 2009-09-06
}}</ref> Ny yei shen, foddee yiarn haem ardjaghey [[kanghyr collaneagh-thoanney]].<ref name="pmid10582688">{{enmysearishlioar | screeudeyr=Sesink AL, Termont DS, Kleibeuker JH, Van der Meer R | ennym=Red meat and colon cancer: the cytotoxic and hyperproliferative effects of dietary heme |earishlioar=[http://cancerres.aacrearishlioars.org/ Cancer Research] | ym-lioar=59 | earroo=22 |duillag=5704–9 | blein=1999 |pmid=10582688 |doi= | kiangley=http://cancerres.aacrearishlioars.org/cgi/pmidlookup?view=long&pmid=10582688}}</ref><ref name="pmid16226281">{{enmysearishlioar | screeudeyr=Glei M, Klenow S, Sauer J, Wegewitz U, Richter K, Pool-Zobel BL | ennym=Hemoglobin and hemin induce DNA damage in human colon tumor cells HT29 clone 19A and in primary human colonocytes |earishlioar=[[Mutat. Res.]] | ym-lioar=594 | earroo=1-2 |duillag=162–71 | blein=2006 |pmid=16226281 |doi=10.1016/j.mrfmmm.2005.08.006 | kiangley=}}</ref>.

Ta [[Lowanse Bee-Oardagh Çhymnit|LBÇ]] yiarn bentyn rish eash, keintys, as bun yiarn y pheiagh ("haem" ny dyn).  <ref>{{enmyseddyrvoggyl
 | kiangley=http://www.iom.edu/Object.File/Master/7/294/0.pdf
 | ennym=Dietary Reference Intakes: Elements
 | soilsheyder = The National Academies
 | date = 2001
 | croo = PDF
 | datefeddyn = 2008-05-21
}}</ref> Foddee ve feme ec lhiannooyn er yiarn tooilley my t'ad er y cheeagh.<ref>{{enmyseddyrvoggyl
 | kiangley=http://bodyandhealth.canada.com/condition_info_details.asp?disease_id=274
 | ennym=Iron Deficiency Anemia
 | soilsheyder=MediResource
 | croo=web page
 | datefeddyn=2008-12-17}}</ref> Ta gaue er lheh son [[toyrtys folley|toyrtyssee folley]] as [[torraghys|mraane correy]].

=== Reilley goaill yiarn ===
Ta rouyr yiarn nieunagh, er y fa dy vel [[yiarn yiarnagh|yiarn seyr yiarnagh]] ym-obbraghey lesh [[sarocseed]] as jannoo [[fraue seyr|fraueyn seyr]].  T'adsyn jeeylley [[GDN]], proteenyn, lipaidyn, as stoo elley 'sy chillag.  Myr shen, ta [[tomainaght yiarn]] taghyrt tra ta yiarn seyr 'sy chillag; shen er y fa nagh vel [[transferrin]] dy liooar eshyn y chiangley, son y chooid smoo.

Ta [[soe yiarn deiney|goaill yiarn]] fo reiltys lajer.  Cha nel monney caa eshyn y checkey, cha nel agh liorish ceau y chrackan, as shen gyn reiltys.  Myr shen, ta shin reilley eh liorish lhiettal eh y ghoaill.<ref name="Robbins-anemias">
{{enmyseddyrvoggyl
  | sjerree = Kumar
  | kied = Vinay
  | coscreeudeyryn = Abbas, Abul K; Fausto, Nelson
  | ennym = Anemia
  | obbyr = Robbins and Cotran: Pathologic Basis of Disease, 7th edition
  | soilsheyder = Elsevier Saunders
  | blein = 2005
  | kiangley = http://www.mdconsult.com/das/book/body/90234262-4/0/1249/121.html
  | datefeddyn = 2008-03-14
}}</ref> Ny yei shen, my vees ram yiarn er n'ee, foddee eh jeylley killagyn yn [[ammyr ghastrey-chollaneagh]] as neulhiggey daue reilley soo stiagh yiarn.  Ta shen lowal co-chruinnaghey ard yiarn 'syn 'uill, as foddee eh jeylley killagyn y [[cree|chree]], [[aane]] as organeyn elley.

Ta ny smoo na 20mg yiarn/kg glout cur tomainaght yiarn er deiney; ta 60mg/kg ny howse marrooagh.<ref name="emed-topic285">
{{enmyseddyrvoggyl
| kiangley=http://www.emedicine.com/emerg/topic285.htm
| ennym=Toxicity, Iron
| soilsheyder=Emedicine
| datefeddyn=2006-06-19
}}</ref> Ta ro-ymmyd yiarn mastey binn vaase smoo cadjin da paitçhyn ny saa na shey; son y chooid smoo, t'ad er n'ee ram lhiackagyn yiarn currit da sleih aasit.<ref name="emed-topic285"/>  

== Imraaghyn ==
{{rolleyimraaghyn}}

{{Taabyl çhymcheayrtagh ny bun-stooghyn cumir}}
{{bun}}

[[Ronney:Yiarn| ]]
[[Ronney:Bunstooghyn]]
[[Ronney:Meainyn caghlaaee]]
[[Ronney:Stooghyn yiarn-vagnaidagh]]
[[Ronney:Stoo meainagh bee-oardagh]]
[[Ronney:Stoo meainagh kioobagh]]
[[Ronney:Conney çhenney-obbragh]]
[[Ronney:Bunstooghyn meainagh dooie]]
[[Ronney:Cooid hroggee]]
[[Ronney:Stoo meainagh ayns possan reamyssagh 225]]
[[Ronney:Stoo meainagh ayns possan reamyssagh 229]]
She bunstoo meainagh eh yiarn, as cowrey Fe er.  Ta trimmid breneenagh 55.845 g·mol as earroo breneenagh 26 echey.  T'eh ayns possan 8 as çhymcheayrt bunstoo 4, as myr shen, she meain ceaghlid t'ayn.  Ta yiarn as staillin ny meainyn smoo cadjin.  Ta eaghtyr soilsheanagh as lheeah-argid oc, agh t'ad ocsaidaghey ayns aer as gaase coodagh dy smooirane ruy.  Ta crystal glen dy yiarn feer vog, ny s'buiggey na ollymin, agh lesh goaill stiagh myn-neughlennidyn (myr sampleyr, carboan) t'ad niartaghey.  Liorish jannoo co-veain lesh meainyn elley as carboan, t'ad jannoo staillin, as shen ymmodee keartyn ny s'niartey na yiarn.

250px|thumb|right|Yiarn

 Troyn 
She meain eh yiarn glen, agh s'goan ry-gheddyn er y chruinney eh, er y fa dy vel eh ocsaidaghey dy jeean my ta ocsygien as ushtey ry-gheddyn.  Son dy gheddyn yiarn meainagh, shegin dhyt ocsygien y scughey jeh meain najooragh, liorish jee-ocseedaghey kemmigagh.  T'ad jannoo ymmyd jeh meain yiarn haematite son y chooid smoo (), as jee-ocseedaghey eh lesh carboan ec çhiassid ard.  

She bunstoo lorgagh eh yiarn son dagh ooilley organe bioag, faggys.  Cha nel agh beggan lhimmey ayn; organeyn bioag ta cummal ayns çhymbyllaghtyn er beggan yiarn, as adsyn er naafilley dy yannoo ymmyd jeh bunstooghyn elley, myr sampleyr, manganaish ayns ynnyd yiarn son catalysys, ny haemocyanin ayns ynnyd haemoglobin.

 Obbyr vea-oaylleeagh 
thumb|right|Strughtoor haem B

Ta feme er yiarn ec dagh ooilley organe bioag, bunnys.  Ayns killaghyn, t'eh goll er tashtey ayns proteenyn meainagh, er y fa dy nod yiarn "seyr" catalysaghey troarey fraueyn seyr nieunagh.  Foddee laccal yiarn gientyn neufollaght laccal yiarn.

Ayns baaghyn, lossreeyn as fungyssyn, she yiarn eh yn eeane ta goit stiagh 'sy troggal haem.  She co-olt slane femoil phroteenyn cytochrome, phroteenyn ymmyrkey oscygien (myr sampleyr, haemoglobin as myoglobin).  Ta laue ec yiarn neuorgaanagh ayns ym-obbraghey ocsjee ymmodee ensymeyn (myr sampleyr, nitrogenase as hydrogenase).  Ta proteenyn ayn as yiarn oc ga nagh vel ad nyn haemyn; t'adsyn goaill stiagh un-ocsygienase meetane, jee-ocseedase ribbonucleotaid as haemerythinyn.

Ta reiltys lajer er rheam yiarn ayns sheeintee, er y fa dy nod eh ve feer nieunagh.  Chammah's shen, ta feme ec ymmodee bacteyryn er yiarn, as liorish tashtey eh ersooyl voue, ta ny sheeintee lhiettal doghanyn.  Ta laue mooar ec y phroteen transferrin 'sy chooish, as eshyn kiangley yiarn ass beeal y chollane as gymmyrkey eh trooid yn 'uill dys killagyn.

 Yiarn ayns bee 
Ta ram yiarn ry-gheddyn ass feill aw, yeeast, eeanlee, tofu, pishyryn kirkey, poanraghyn.  Ny keayrtyn, ta yiarn currit stiagh ayns arran as grine (yiarnaghey).  T'eh ny smoo yiarn y smoo stiagh jeh feill, er y fa dy nee yiarn haem t'ayn. Ny yei shen, foddee yiarn haem ardjaghey kanghyr collaneagh-thoanney..

Ta LBÇ yiarn bentyn rish eash, keintys, as bun yiarn y pheiagh ("haem" ny dyn).   Foddee ve feme ec lhiannooyn er yiarn tooilley my t'ad er y cheeagh. Ta gaue er lheh son toyrtyssee folley as mraane correy.

 Reilley goaill yiarn 
Ta rouyr yiarn nieunagh, er y fa dy vel yiarn seyr yiarnagh ym-obbraghey lesh sarocseed as jannoo fraueyn seyr.  T'adsyn jeeylley GDN, proteenyn, lipaidyn, as stoo elley 'sy chillag.  Myr shen, ta tomainaght yiarn taghyrt tra ta yiarn seyr 'sy chillag; shen er y fa nagh vel transferrin dy liooar eshyn y chiangley, son y chooid smoo.

Ta goaill yiarn fo reiltys lajer.  Cha nel monney caa eshyn y checkey, cha nel agh liorish ceau y chrackan, as shen gyn reiltys.  Myr shen, ta shin reilley eh liorish lhiettal eh y ghoaill. Ny yei shen, my vees ram yiarn er n'ee, foddee eh jeylley killagyn yn ammyr ghastrey-chollaneagh as neulhiggey daue reilley soo stiagh yiarn.  Ta shen lowal co-chruinnaghey ard yiarn 'syn 'uill, as foddee eh jeylley killagyn y chree, aane as organeyn elley.

Ta ny smoo na 20mg yiarn/kg glout cur tomainaght yiarn er deiney; ta 60mg/kg ny howse marrooagh. Ta ro-ymmyd yiarn mastey binn vaase smoo cadjin da paitçhyn ny saa na shey; son y chooid smoo, t'ad er n'ee ram lhiackagyn yiarn currit da sleih aasit.  

 Imraaghyn 

 
Ronney:Bunstooghyn
Ronney:Meainyn caghlaaee
Ronney:Stooghyn yiarn-vagnaidagh
Ronney:Stoo meainagh bee-oardagh
Ronney:Stoo meainagh kioobagh
Ronney:Conney çhenney-obbragh
Ronney:Bunstooghyn meainagh dooie
Ronney:Cooid hroggee
Ronney:Stoo meainagh ayns possan reamyssagh 225
Ronney:Stoo meainagh ayns possan reamyssagh 229