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.
In telephony, the demarcation point is the point at which the public switched telephone network ends and connects with the customer's on-premises wiring. It is the dividing line which determines who is responsible for installation and maintenance of wiring and equipmentâcustomer/subscriber, or telephone company/provider.