Will's femoral nerve was crushed while clinicians tried to control bleeding from his femoral artery. This resulted in loss of function and sensation in his legs, which gradually returned over the course of a year. Which cells were important in his recovery? Explain how this process is different in the CNS and PNS.

Brenda is a petite 54-year old caucasian female. brenda’s 72-year old mother, bertha has developed dowager’s hump. bertha recently was told that her x-rays showed several small stable vertebral fractures. brenda also has an aunt betty who is currently in the hospital for a hip fracture from a fall. both relatives have been told that osteoporosis is the probable cause of their current medical issues. brenda’s health care provider has suggested brenda has her risks for osteoporosis assessed. brenda is not fond of milk or dairy products and are glad that her kids are older now so that she doesn’t have to keep milk in the house. brenda has no other significant medical history. you suspect a diagnosis of osteoporosis. what risk factors can you identify for brenda your suspected diagnosis of osteoporosis? be specific.