A teratoma is a birth defect of unknown cause, although inherited mutations are associated with an increased likelihood of developing a teratoma. To research the causes of Teratoma, consider researching the causes of these these diseases that may be similar, or associated with Teratoma: Abdominal pain.
In the fifth century A.D, the tampons were created by Egyptian women from softened papyrus. In the year 1931, the first modern disposable tampons were created by an American, Dr. Earle Haas. The tampon is inserted into a wound or body cavity to absorb blood. It is made from a bulk of rayon or cotton or a mixture of the two.
The technology at the time would have been relatively primitive, and masks ranged from chemical-impregnated pouches attached to the full-face precursors to modern gas masks. For example, the french 'Tampon T' is a multi-layered fabric pouch with a face strap. It was usually issued with goggles to protect the wearers eyes.