狠狠撸

germ cell tumors yolk sac tumor endodermal sinus tumor immature teratoma gonadoblastoma choriocarcinoma dysgerminoma neuroectodermal polyembryoma embryoid bodies embryonal carcinoma schiller-duvall bodies teratoma mechanism pyroptosis apoptosis necroptosis cell injury predecidual secretory proliferative endometrium dating giant cell lesions of bone