Why is it extremely difficult to nearly impossible for articular cartilage to heal itself?

A patient sustained a grade I ligament injury from playing soccer. With this injury you should expect..

Which of the following are domains? Choose more than one answer if correct

Following a basketball injury an MRI reveals a meniscus tear where one portion is torn within the vascularized area and the other portion is in a nonvascularized area. This injury would be categorized as an injury of which zone?

Following a soccer match, a patient has a grade III ligament injury. Which of these will most likely be done for this patient?

Which kingdom or supergroup is characterized by organisms that are heterotrophic by ingestion?

The classification category below the level of family is

Which of the following tendinous changes are commonly associated with aging?

The northern copperhead is Agkistrodon contortrix contortrix, the southern copperhead is Agkistrodon contortrix mokasen, and the cottonmouth is Agkistrodon piscivorous. Therefore,

During a sideline assessment, a football player presents with one of the hard signs of peripheral artery injury (vascular injury). Which of these describes the symptoms likely to be observed?