Bursitis and tendinitis are both common conditions that cause swelling around muscles and bones. They occur most often in the shoulder, elbow, wrist, hip, knee, or ankle. A bursa is a small, fluid-filled sac that acts as a cushion between a bone and other moving body parts such as muscles, tendons, or skin.
In higher vertebrates, such as reptiles, birds and mammals, there are 12 pairs of cranial nerves. Lower vertebrates, such as fish and amphibians, have 10 pairs of cranial nerves. Continue Reading.
1 Cranial Nerves Cranial Nerves  Twelve pairs of cranial nerves arise from the brain  They have sensory, motor, or both sensory and motor functions  Each nerve is identified by a number (I through XII) and a name  Four cranial nerves carry parasympathetic fibers that serve muscles and glands. Cranial Nerves Cranial Nerves  Twelve pairs of cranial nerves arise from the brain  They have sensory, motor, or both sensory and motor functions  Each nerve is identified by a number (I through XII) and a name  Four cranial nerves carry parasympathetic fibers that serve muscles and glands.