What are the selective pressures that have shaped the development and function of germ cells in different species?

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 ... Qiaolin Deng is studying this migration and maturation to learn more about infertility, epigenetic inheritance and cancer. Germ cell tumors of the brain most commonly involve or are found near the pituitary and pineal glands in the brain. Germ cell tumors (GCTs) are made up of these underdeveloped cells. These tumors are rare. They may be cancer (malignant) or not cancer (benign). Nov 2, 2022 ... The most common benign form of ovarian germ cell tumor is a mature teratoma. Often called a dermoid cyst, teratomas sometimes contain a mixture ... In a fetus, germ cells are cells that should become sperm in the testicles or eggs in the ovaries. Sometimes these cells don't travel to the right part of the ... CNS germ cell tumors typically form near the pineal gland or the pituitary gland, though they can form in other parts of the brain. The symptoms they produce ... Apr 1, 2009 ... A fertilised egg is potentially immortal since it develops into a new organism that, in turn, can give rise to an endless series of generations. Germ cells are forever. Cell. 2008 Feb 22;132(4):559-62. doi: 10.1016/j.cell.2008.02.003. The Malignant Germ Cell International Consortium brings together the world's leading experts in germ cell tumors, from across the spectrum of cancer research.