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.
Greetings. Following is the meaning; L5-S1 Disc desiccation,disc space narrowing and mild fatty marrow signal changes of the vertebral endplates. = these are the lower back vertebra; in between there is a disc which acts as a cushion.This disc has some wear and tear and has thus caused MRI changes as above.reetings. Following is the meaning; L5-S1 Disc desiccation,disc space narrowing and mild fatty marrow signal changes of the vertebral endplates. = these are the lower back vertebra; in between there is a disc which acts as a cushion.