What are the mechanisms of action of hormonal contraceptives?

Germ-line cells are responsible for transmitting genetic information and for reproducing totipotency from generation to generation. Pluripotent stem cell lines, ... Apr 19, 2019 ... histologic subtypes share a common cell of origin. For example: – “Germ cell theory”: Primordial germ cells mismigrate during embryonic ... Jun 26, 2020 ... Most germ cell ovarian tumours are benign. These tumours are also called dermoid cysts or mature teratomas. Usually, the only treatment needed ... Germ Cell Tumor. A germ cell tumor is a benign (noncancerous) or malignant (cancerous) mass that forms from germ cells. Most tumors appear in your ovaries or ... Jun 3, 2024 ... Germ cell exfoliation has been described as a predominant finding following administration of phthalate esters and microtubule inhibitors such as colchicine ... Apr 11, 2018 ... Most types and stages of germ cell cancers of the ovary are treated the same way, with surgery and chemotherapy (chemo). Germ cell tumors (GCTs) are made up of these underdeveloped cells. These tumors are rare. They may be cancer (malignant) or not cancer (benign). Dec 17, 2024 ... AFP, β-hCG, or both are elevated in approximately 85% of extragonadal nonseminomatous germ cell tumors. Small increases in serum β-hCG can be ... The Malignant Germ Cell International Consortium brings together the world's leading experts in germ cell tumors, from across the spectrum of cancer research. GSCs divide asymmetrically leading to the formation of a self-renewing GSC and a differentiating cystoblast. The cystoblast then undergoes four rounds of ...