Good news if you already consume tuna on a regular basis, itâs high in niacin compared to many other foods. Itâs also a good source of omega-3s as well as protein. There are concerns about the mercury content, so you may not want to rely on tuna for your daily niacin consumption, but itâs nice to have once in awhile. Serving Size (100 grams), Niacin (5.8milligrams), 184 calories.
At the end of the spinal column is the coccyx or tailbone. Most people have 33 vertebrae in total, although there may be 32 or 34. Variations are usually found in the lumbar or sacral regions.
The root of the spine of the scapula is the most medial part of the scapular spine. The root of the spine is on a level with the tip of the spinous process of the third thoracic vertebra. Left scapula. Animation. Root of spine is shown in red. Position of root of spine (shown in red.) Animation.