WOMBAT Description The wombat is a marsupial. It has a pouch which faces backward so no dirt gets in when it is burrowing. Wombats are closely related to the koala.There are three types of wombats, the Common Wombat, the Southern Hairy-nosed Wombat and the extremely rare Northern Hairy-nosed Wombat.OMBAT Description The wombat is a marsupial. It has a pouch which faces backward so no dirt gets in when it is burrowing. Wombats are closely related to the koala.
Osteoarthritis of the knee is very common. This is probably because your knee has to take extreme stresses, twists and turns. Osteoarthritis can affect the main surfaces of your knee joint and also the cartilage underneath your kneecap (patella).1  Youâre most likely to feel pain at the front and sides of your knee.steoarthritis of the knee is very common. This is probably because your knee has to take extreme stresses, twists and turns. Osteoarthritis can affect the main surfaces of your knee joint and also the cartilage underneath your kneecap (patella). 1  Youâre most likely to feel pain at the front and sides of your knee.
Osteoarthritis does not cause rheumatoid arthritis, but rheumatoid arthritis can lead to secondary osteoarthritis by damaging the joint. Related coverage Stages of Osteoarthritis of the Knee Learn all about the different stages that osteoarthritis of the knee progresses through, including how the disease can be treated and prevented.