molecâ²ular biolâ²ogy. the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function.olecâ²ular biolâ²ogy. the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function.
If your petâs brain or spinal cord isnât signaling correctly to the bladder, this miscommunication can cause urine dribbling. Damage to the pudendal nerve. This is a problem of the lower back in dogs â I see it often in my practice in older dogs with arthritis, degenerative joint disease or trauma to the lower back.
A tear or rupture leads to joint swelling, pain and instability in the knee joint. If left untreated it will cause lameness in the affected rear leg and, ultimately, chronic irreversible degenerative joint changes. Damage to the ACL is a major cause of progressive osteoarthritis in the knee joint of dogs.early all dogs with tearing or damage to their cruciate ligament will have swelling that is felt on the front part of their knee. Symptoms may include: 1  Lameness or weakness in one or both hind legs. 2  Limping or reluctance to use one or both hind legs. 3  Limping worsens with exercise and improves with rest.