It contains all of the phone numbers Microsoft has worldwide for its activation centers: To activate your product over the telephone, use one of the following numbers: 1  Windows activation: (888) 571-2048. 2  Microsoft Office activation (United States only): (888) 652-2342.  TTY number: (800) 718-1599.
Sacrococcygeal teratoma. Sacrococcygeal teratoma (SCT) is a type of tumor known as a teratoma that develops at the base of the coccyx (tailbone) and is thought to be derived from the primitive streak. Sacrococcygeal teratomas are benign 75% of the time, malignant 12% of the time, and the remainder are considered immature teratomas that share benign and malignant features.
The coccyx is the terminal end of the spine, just inferior to the sacrum. The human coccyx is often considered a vestigial remnant or corollary of a tail; thus, the coccyx is colloquially referred to as the tailbone.