What are the differences in the meiotic program between spermatogenesis and oogenesis?

Dec 3, 2021 ... Extragonadal germ cell tumors form from developing sperm or egg cells that travel from the gonads to other parts of the body. Age and gender can ... Germ line refers to the sex cells (eggs and sperm) that sexually reproducing organisms use to pass on their genomes from one generation to the next. In younger children, extragonadal extracranial germ cell tumors usually occur at birth or in early childhood. Most of these tumors are teratomas in the sacrum ... Germ cell tumors are rare, accounting for about 1 percent of all childhood cancers. If your child is diagnosed with a germ cell tumor, you'll want a team with ... Germline is the sequence (lineage) of germ cells in a mature or developing organism that contains the genetic material that will be passed on to an offspring. May 17, 1990 ... We observed 16 cases of hematologic neoplasia associated with mediastinal germ-cell tumors. twenty-eight similar cases have been reported in the literature. We generated a gene-edited chicken, in which germ cells can be ablated in a drug-dependent manner, as recipients for gene-edited PGC transfer. Extragonadal germ cell tumors have a variable clinical course, with the potential for aggressive behavior and widespread metastases. The imaging characteristics ... We investigated this phenomenon using live-cell imaging and discovered that ectopic germ cells preferentially induce body-wall muscle to extend cellular ... 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 ...