Geographic Range. The original range of Canis lupus consisted of the majority of the Northern hemisphere -- from the Arctic continuing south to a latitude of 20Â° S, which runs through southern Central Mexico, northern Africa, and southern Asia.
Disc desiccation is an extremely common degenerative change of intervertebral discs. The incidence climbs with age, and to a large degree a gradual desiccation is a 'normal' part of disc aging. It results from replacement of the hydrophilic glycosaminoglycans within the nucleus polposus with fibrocartilage.
The demarcation point (or demarc or Network Interface Device (NID) for short) serves several purposes: â¢It is the point that defines the end of the telephone company's wiring, and the beginning of your wiring. â¢It defines where the telephone company's responsibility for maintenance ends, and your responsibility begins.