Kapangidwe ka bere, chitukuko

Kumvetsa kapangidwe ndi chiyambi cha bere thunthu thandizo. Mammary England - kusinthidwa apocrine thukuta zopangitsa zinachokera ectoderm lapansi. Anthu, chitukuko cha zopangitsa za mammary kumachitika pa sabata chimodzi cha moyo intrauterine. Pakhungu chifuwa ndi woonda yowawitsa, lili follicles tsitsi, thukuta ndi sebaceous zopangitsa. The England mammary ali ndi kuchuluka ulusi mitsempha pa phewa ndi plexus khomo lachiberekero ndi misempha intercostal. thupi England ali ndi otukukira kunja discoid mawonekedwe, mtundu bwinobwino wotumbululuka pinki, kapangidwe wandiweyani, ndi m'mimba mwake pafupifupi maziko ndi 10-13 masentimita m'mawere atsikana ndi kulemera avareji 150-200 ga ndi mkaka wa m'mawere - 400-900, ndi Y. kwambiri wathanzi atsikana ndi zooneka England Chigawo ndipo uprugimi.Stroenie kukula kwa mawere, mawonekedwe ndi udindo ndi makhalidwe munthu ndi zinthu.

Kapangidwe ka chifuwa ndi mmene thupi lake lilili

Maere a akazi amapangidwa ndi maselo ambiri amene mudameretsa mkaka, amene Akusonkhanitsa lobules lapansi. Lililonse magawo munthu inyamuka yamkaka mtsinje, ndi zigawo zonse amaphatikizidwa mu zigawo kukhala ritsa osachiritsika amene amaphatikizidwa onse osachiritsika ducts yaing'ono.

Molingana radially anakonza wachibale unyinji ndipo ali anapatukana adipose minofu. Aliyense gawo England kumaoneka ngati phirilo ndi pamwamba pa nipple, kumene izo zimatsegula ritsa excretory. Ducts kwa nipple ndi kukukulirakulira n'kupanga sinuses yamkaka. Anapanga malo ozungulira nipple ndi amatchedwa areola, ndi phiri laling'ono pa izo - zopangitsa thukuta. Kapangidwe ka akuyamwitsa akazi isiyana ndi dongosolo England wamwamuna.

Kukula kwa zopangitsa za mammary ikuchitika kuyamika prolactin (a timadzi wa pituitary zapambuyo) ndi mahomoni n'kuwasanganiza. Chifukwa prolactin mkaka wa m'mawere amapezeka. Mu zoyambirira za mimba chifuwa umachuluka kukula, monga amapezeka mu theka lachiwiri la kukula kwa zaminyewa secretory maselo ntchito partite zomwe zigwirizana alveoli. Kumapeto kwa mimba ndipo kwa masiku angapo pambuyo pa kubadwa kumawonjezera katulutsidwe ndi umabala chikasu, wandiweyani chakudya madzi wotchedwa colostrum. Ndiye kusintha zikuchokera secretions, izo zimakhala zambiri madzi kugwirizana ndi secrete mkaka. Pakutha nthawi kudya, kupanga mkaka amachepetsa ndi mabasi mpaka mimba lotsatira.

M'mawere chitukuko atsikana kumachitika nthawi yotha msinkhu ndi zaka zapakati pa zaka 10-15. ndondomeko likuyamba ndi kukula kwa nipple ndi areola peripapillary ndiye amayamba kukula chifuwa ambiri. Akuyamwitsa akazi ikukula kwa nthawi yaitali ndipo potsiriza wotetezedwa kukula kwa mawere pokhapokha kudyetsa mwana. Mbali penultimate cha kukula kwa chifuwa umalandira zaka 15-17.

Mammary England - labile limba, komanso chiberekero zimakhudza zosintha cyclical. Pamaso pa isanayambike menses amapezeka kuchuluka kwa zopangitsa, zimakhala pathupi, chitsulo amakhala edematous ndi friable. Pakutha pa msambo, zizindikiro zikawoneka. Malinga ndi msinkhu nthawi chifuwa lagawidwa mitundu 4.

1. Iron mtsikana kapena mzimayi zaka 20-25. The England mammary ali ndi dongosolo yunifolomu, mkaka ducts imperceptible premammarnogo danga m'lifupi 5 mm.
2. Cancer mu akazi a zaka zapakati pa 25 ndi 40 ali zimagwirira ntchito yogwira. ndime ake yamkaka Ng'ona ndi epithelium, nthawi zonse kukula pa makoma pali nthambi ndi vesicles osachiritsika secretory. Kapangidwe ka zopangitsa imasiyana chifukwa kusintha cyclical.
3. Mammary England kusintha. Mu premenopausal glandular minofu ndi ankakhala moyo wotayirira mu mawonekedwe a zilumba kakang'ono mu makona glandular, amene anasiyanitsidwa ndi minda adipose minofu. Ndi zaka, kuchuluka kwa parenhim glandular amachepetsa m'mawere meshed. Fibrous minofu atrophies.
4. Mammary England postmenopausal akazi. Mu kusintha azimayi amsinkhu umenewu amakumana mu bere limakhala sizingasinthe glandular minofu Mwamsanga kwathunthu, izo displaces mafuta minofu.

Monga tanena kapangidwe ka bere zimadalira m'badwo, mlingo wa chitukuko cha ziwalo zoberekera, ku gawo la msambo wa amayi, udindo m'thupi, nthawi ya mimba ndi mkaka wa m'mawere. Age ndi chinthu chachikulu kuti ndiyo zopangitsa dongosolo mtundu. Koma, koma, pali kusintha munthu mu kuchepetsa ndi chitukuko cha zinthu glandular, amene anatsimikiza mtima alimentary, endocrine ndi zinthu zina.