Are there any long-term effects of contraception on future fertility?

What is a Yolk Sac or Germ Cell Tumor? A yolk sac tumor is a rare, malignant tumor of cells that line the yolk sac of the embryo. These cells normally become ... Germ cells are forever. Cell. 2008 Feb 22;132(4):559-62. doi: 10.1016/j.cell.2008.02.003. A type of cell that forms as a fetus (also called unborn baby or embryo) develops is called a germ cell. Germ cells are the cells that make the eggs (ova) in ... Mediastinal germ cell tumors can be classified as teratomas, seminomatous tumors, or non-seminomatous tumors. They have similar histology and treatment ... Yolk sac tumors are the most common malignant testicular and ovarian tumors in children. Most yolk sac tumors will require surgery and chemotherapy, regardless ... Growths that develop in egg cells are called ovarian germ cell tumors. These tumors may be benign (noncancerous) or malignant (cancerous). Scope. The dataset has been developed for the reporting of both partial and radical orchidectomy specimens from patients of any age with germ cell neoplasia of ... Abstract: In mammalian development, the process of gametogenesis begins with a group of germline precursors known as primordial germ cells (PGCs), ... Researchers in the Regenerative Neurosurgery and Neuro-Oncology Lab are exploring why marrow-derived cell lines form tumors after transplantation. Germ cell tumours of the central nervous system (CNS GCT) represent a heterogeneous group of neoplasms including germinoma, endodermal sinus tumour. (yolk sac ...