Epitheliwm
Un o'r pedwar math sylfaenol o feinwe mewn anifeiliaid yw'r epitheliwm, ynghyd â meinwe gyswllt, meinwe gyhyrol a meinwe nerfol.
Mae meinwe epithelaidd yn leinio'r ceudodau ac arwynebau gwaedlestri ac organau trwy'r corff.
| Enghraifft o'r canlynol | math o feinwe, dosbarth o endidau anatomegol  |
|---|---|
| Math | meinwe, endid anatomegol arbennig |
| Yn cynnwys | cell epithelaidd |
 Ffeiliau perthnasol ar Gomin Wicimedia | |
Rhai mathau
| Diagram | Lleoliad | Pwrpas/Gwaith |
|---|---|---|
(Simple squamous epithelium)  | Leining y galon, pibellau gwaed, y lymff a'r ysgyfaint. | Secretu hylif irad a ffiltro deunyddiau mân. |
(Simple cuboidal epithelium)  | Chwarennau bychan a phibellau'r iau. | Sectredu ac amsugno. |
(Simple columnar epithelium)  | Bronci, pebelli'r wterws (y groth), y colon a'r bledren. | Amsugno. Mae hefyd yn secredu mwcws ac ensymau. |
(Pseudostratified columnar epithelium)  | Pibell wynt (trachea) a'r pibellau anadlu uchaf. | Secretu a symud mwcws. |
(Stratified squamous epithelium)  | Leining yr oesoffagws, y geg a'r wain (fagina). | Iro, ac amddiffyn rhag sgriffinio. |
(Transitional epithelium)  | Y bledren a'r wrtha a phibell yr aren | Caniatau i'r organau troethol chwyddo ac ymestyn. |
Darllen pellach
- Green H (September 2008). "The birth of therapy with cultured cells". BioEssays 30 (9): 897–903. doi:10.1002/bies.20797. PMID 18693268.
- Kefalides, Nicholas A.; Borel, Jacques P., gol. (2005). Basement membranes: cell and molecular biology. Gulf Professional Publishing. ISBN 978-0-12-153356-4.
- Nagpal R; Patel A; Gibson MC (March 2008). "Epithelial topology". BioEssays 30 (3): 260–6. doi:10.1002/bies.20722. PMID 18293365.
- Yamaguchi Y; Brenner M; Hearing VJ (September 2007). "The regulation of skin pigmentation" (Review). J. Biol. Chem. 282 (38): 27557–61. doi:10.1074/jbc.R700026200. PMID 17635904. http://www.jbc.org/cgi/pmidlookup?view=long&pmid=17635904. Adalwyd 2017-11-26.
Cyfeiriadau
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