Collagen ndi mtundu wa mapuloteni oyera, opaque, opanda nthambi, omwe amapezeka makamaka pakhungu, mafupa, cartilage, mano, tendons, ligaments ndi mitsempha ya magazi a nyama.Ndi mapuloteni ofunikira kwambiri a minofu yolumikizana, ndipo imathandizira kuthandizira ...
Werengani zambiri