TERATOMA A teratoma is a tumor with tissue or organ components resembling normal derivatives of all three germ layers. The word teratoma comes from Greek and means roughly monstrous tumor. teratomas (the plural infrequently given as teratomata) have been reported to contain hair, teeth, bone and very rarely more complex organs such as eyeball, torso, and hand. Usually, however, … [Read more...] about Sacrococcygeal Teratoma (Part 1)