Blaengroen: Gwahaniaeth rhwng fersiynau

 

==Disgrifiad==

 

Nododd Taylor ''et al'' (1996) bresenoldeb [[corffilyn Krause|corffilod Krause]] a math o [[terfyn nerf|derfyn nerf]] a elwir yn [[corffilyn Meissner|gorffilyn Meissner]], gyda dwysedd uwch yn y [[band gwrymiog]] ar flaen y blaengroen nag yn y bilen ludiog lefn.<ref name="taylor">{{cite journal |url=http://www.blackwell-synergy.com/doi/pdf/10.1046/j.1464-410X.1996.85023.x |last=Taylor |first=JR |coauthors=Lockwood, AP; Taylor, AJ |title=The prepuce: specialized mucosa of the penis and its loss to circumcision |journal=Br J Urol |year=1996 |volume=77 |pages=291–5 |doi=10.1046/j.1464-410X.1996.85023.x |pmid=8800902 |issue=2}}</ref> Mae'r corffilod yn cael eu heffeithio gan oedran: mae eu hamledd yn gostwng wedi'r glasoed.<ref name="dong">{{vcite journal | author= Dong G, Sheng-mei X, Hai-yang J, ''et al'' | title= Observation of Meissner's corpuscle on fused phimosis | journal= J Guangdong Medical College | date= 2007 | volume= | issue= | pages= | url= http://en.cnki.com.cn/Article_en/CJFDTOTAL-GDYY200701004.htm | doi= | pmid= | pmc= }}</ref> Mewn rhai unigolion ni chafwyd hyd i gorffilod Meissner o gwbl.<ref name="haiyang">{{vcite journal | author= Haiyang J, Guxin W, Guo Dong G, Mingbo T et al. | title= Observation of Meissner's corpuscle in abundant prepuce and phimosis | journal= J Modern Urol | date= 2005 | volume= | issue= | pages= | url= http://en.cnki.com.cn/Article_en/CJFDTOTAL-MNWK200504018.htm | doi= | pmid= | pmc= }}</ref> Astudiodd Bhat ''et al'' gorffilod Meissner mewn nifer o rannau'r corff, gan gynnwys "blaenau'r bysedd, y llaw, blaen y fraich, gwadn y droed, gwefusau, y blaengroen, cefn y llaw a chefn y troed". Canfuwyd y mesur isaf o ddwysedd corffilod Meissner yn y blaengroen, a bod y corffilod yn y man hwn yn llai o faint ac o siâp gwahanol. Daethant i'r casgliad bod y nodweddion hyn i'w canfod mewn "rhannau llai sensitif o'r corff".<ref>{{vcite journal | author = Bhat GM, Bhat MA, Kour K, Shah BA | title= Density and structural variations of Meissner's corpuscle at different sites in human glabrous skin | journal= J Anat Soc India | date= 2008 | volume= 57 | issue= 1 | pages= 30&ndash;33 | url= http://medind.nic.in/jae/t08/i1/jaet08i1p30.pdf | doi= | pmid= | pmc= }}</ref> Yn y 1950au, awgrymodd Winkelmann fod rhai derbynyddion wedi eu camadnabod am gorffilod Meissner.<ref name="winkelmann">{{vcite journal | author= Winkelmann RK | title= The cutaneous innervation of human newborn prepuce | journal= J Investigative Dermatol | date= 1956 | volume= 26 | issue= 1 | pages= 53–67 | url= http://www.cirp.org/library/anatomy/winkelmann2/index.html | doi= 10.1038/jid.1956.5 | pmid= 13295637 | pmc= }}</ref><ref name="winkelmann1957">{{vcite journal | author= Winkelmann RK | title= The mucocutaneous end-organ: the primary organized sensory ending in human skin | journal= AMA Arch Dermatol | date= 1957 | volume= 76 | issue= 2 | pages= 225&ndash;35 | url= | doi= | pmid= 13443512 | pmc= }}</ref>