For the first cell to develop into an entire organism, genes, RNA molecules and proteins have to work together in a complex way. At first, this process is indirectly controlled by the mother. At a ...

Germ cell cancer can develop in children and adults. Researchers don’t know exactly what causes germ cell cancers to form, but they have identified some risk factors. Germ cell tumors are abnormal ...

What are germ cell and sex cord stromal cells? Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) ...

A nonseminomatous germ cell tumor is a type of testicular cancer that forms in cells that produce sperm. The outlook for people with these types of tumors is positive, especially if diagnosed in the ...

Non-seminoma is a type of germ-cell testicular cancer. Treatment may include surgery to remove a testicle, lymph node removal, and chemotherapy. Most cases of testicular cancer develop from germ cells ...

Different cell types - say, heart, liver, blood, and sperm cells - possess characteristics that help them carry out their unique jobs in the body. In general, those characteristics are hard-wired.