_:vb50951056 . _:vb50951056 . _:vb50951056 "url:https://en.wikipedia.org/wiki/Dermoid_cyst"^^ . _:vb50951056 . _:vb50951056 . _:vb50951056 . _:vb50951056 "A cystic teratoma that is composed exclusively of mature tissues derived from two or three germ layers (ectoderm, mesoderm and endoderm)."^^ .