Kalmar mammary tana danganta da ƙirjin, musamman, glandan madara a cikin nono. Kalmar mamma an samo daga mammary kalmar kuma an yi amfani da ita don nuna dabbobi da ke ciyar da yayansu ta madadin madarayar ƙwayar mata (shanu suna da mammary gland a cikin su.)
A wasu kalmomin, mace mammary gland ne ƙirãza. Wasu kalmomi ta amfani da mammary bayyana sifofi da aka gano a cikin mammary gland ko ƙirãza.
Alal misali, kalmar mammary duct ectasia zai koma zuwa wani tsari da ke faruwa a cikin nono nono, a cikin wannan yanayin, wani ƙwayar madara madara da aka katange.
Definition of Epithelial Cells
Kwayoyin Epithelial suna bayyana a matsayin sel ko nama na epithelium - wani nau'i mai laushi na nama wanda ke rufewa ko kuma shimfida layin tubes ko cavities cikin jiki. Yayin da kwayoyin halittu suka zama m (zama m) suna samar da ciwace-ciwacen da ake kira carcinomas. Kimanin kashi 80% na cututtuka a jikin mutum shine carcinomas.
Sanya Shi Tare
Sanya ma'anoni tare, mammary epithelial Kwayoyin sune kwayoyin halitta a cikin launi mai laushi na kayan da ke da gashi da kuma shimfida layin madara a cikin ƙirjin. Akwai hanyoyi masu yawa a cikin kowane ɗakin da yake canzawa a cikin 15 zuwa 20 lobes na nono a kan hanyar su zuwa tip na kan nono. Akwai nau'i na musamman na waɗannan kwayoyin halittar mammary. Kwayoyin kwakwalwa na asali da na luminal suna biyu ne da ke faruwa a cikin madarar madara (duba hoto).
Muhimmanci
A wannan hoton, zaku iya ganin yadda mammary epithelial sel ke tsara madaidaicin madara. Matsalar tasowa lokacin da waɗannan kwayoyin sun zama "m" kuma suna girma ba tare da tsayawa ba. Mataki na farko na canjin canjin ana kiran shi carcinoma ne a cikin ƙirjin nono (ko DCIS,) wani yanayin da ciwon daji ke iyakancewa a ciki kuma ba ya yada zuwa kyamaran kewaye.
A wannan lokaci, kwayoyin ba su yadawa fiye da rufin da aka gina su kuma suna dauke da "pre-cancerous".
DCIS ba kullum ci gaba ga ciwon daji, amma rashin alheri, yana faruwa sau da yawa.
Lokacin da wadannan kwayoyin halitta suka rushe ta jikin rufin da aka kafa - kuma sun shiga cikin wani abu kuma suna haifar da wani abu - yanayin ne a lokacin da aka sani da ciwo mai ciwo - wanda shine mafi yawan yawan ciwon nono.
Fassara: e-pu-THEE-lee-al
Har ila yau Known As: Mammary epithelial Kwayoyin, nono epithelial Kwayoyin
Misalan: Mammary epithelial Kwayoyin jigon ducts da lobes na ƙirjinka, kuma waɗannan kwayoyin suna samar da nono madara. Yawancin lokuta na ciwon nono na samo asali ne a cikin kwayoyin epithelial.
Sources:
Dimri, G., Band, H., da kuma V. Band. Mammary epithelial cell transformation: hanyoyi daga al'adun salula da linzamin kwamfuta. Ciwon Kankara . 2005. 7: 171-179.
Cibiyar Cancer ta Kasa. SEUR Training Modules. Dairy Anatomy. Samun shiga 01/27/16. http://training.seer.cancer.gov/breast/anatomy/