Mawu akuti mammary amakhudzana ndi mabere, makamaka, mankhwala a mkaka m'mimba. Liwu loti mammayi limachokera ku mawu akuti mammary ndipo limagwiritsidwa ntchito kusonyeza nyama zomwe zimadyetsa ana awo kudzera m'matenda a mkaka wa amayi (ng'ombe ziri ndi mitsempha ya m'mimba mwawo.)
Mwa kuyankhula kwina, mazira a mammary ndi amabere. Mawu ena pogwiritsira ntchito mammary amafotokoza zizindikiro zomwe zimapezeka m'mimba ya mammary kapena mabere.
Mwachitsanzo, mawu akuti mammary duct ectasia angatanthauzire njira yomwe imachitika mu chifuwa cha m'mawere, pakadali pano, njira yowonjezera ya mkaka.
Tanthauzo la Ma cell Epithelial
Ma cell epithelial amatchulidwa ngati maselo kapena minofu ya epithelium - minofu yaing'ono yomwe imaphimba kapena kuika pamwamba pa miyendo kapena mitsempha mkati mwa thupi. Pamene maselo a epithelial amakhala oipa (amakhala khansa) amapanga zotupa zomwe zimatchedwa kuti carcinoma. Pafupifupi 80% ya khansa m'thupi la munthu ndi ma carcinoma.
Kuziyika Pamodzi
Kuyika tanthawuzo pamodzi, maselo a mammary epithelial ndi maselo mu minofu yochepa yomwe imamveka ndipo imayika pamwamba pa mkaka wa mkaka. Pali madengu ambiri mkati mwa chiboliboli chilichonse chomwe chimakhala m'matumbo 15 mpaka 20 a m'mawere popita kumapeto kwa msomali. Pali mitundu yapadera ya maselo am'mimba am'mimba. Masefe a myoepithelial ndi luminal epithelial ndi awiri omwe amapezeka mumatope a mkaka (onani fanizo).
Kufunika
Pa chithunzithunzi, mumatha kuona momwe maselo a mammary epithelial amayendera mazira a mkaka. Vuto limakhalapo pamene maselowa amakhala "osakhoza kufa" ndipo amakula popanda kuima. Gawo loyamba la kusintha kwa khansa limatchedwa ductal carcinoma in situ ya m'mawere (kapena DCIS,) vuto limene khansara limangokhala mkati mwa duct ndipo sinafalikira kumatenda oyandikana nawo.
Panthawi imeneyi, maselo sanafalikira pamtunda ndipo amadziwika kuti "asanakhale khansa."
DCIS nthawi zonse sapita ku khansa, koma mwatsoka, izi zimachitika kawirikawiri.
Pamene maselo osadziwikawa akudutsa pansi pamimba - ndipo amalowa kapena kulowa mkati minofu - mkhalidwewo umatchedwa khansa ya m'mawere yotchedwa intraductal - mtundu wochuluka wa khansa ya m'mawere.
Kutchulidwa: e-pu-THEE-lee-al
Maselo apamtima a m'mimba mwake, maselo a m'mimba
Zitsanzo: maselo am'mimba am'mimba amapanga mazira ndi mawere a m'mawere anu, ndipo maselowa amabweretsa mkaka. Matenda ambiri a khansa ya m'mawere amachokera m'maselo a epithelial.
Zotsatira:
Dimri, G., Band, H., ndi V. Band. Mammary epithelial cell transformation: zidziwitso kuchokera ku selo chikhalidwe ndi mbewa zitsanzo. Kafukufuku wa khansa ya m'mawere . 2005. 7: 171-179.
National Cancer Institute. SEER Training Modules. Matenda a Chifuwa. Inapezeka pa 01/27/16. http://training.seer.cancer.gov/breast/anatomy/