The lumbar vertebrae are the 5 largest and strongest of all vertebrae in the spine. These vertebrae comprise the lower back. They begin at the start of the lumbar curve (ie, the thoracolumbar junction) and extend to the sacrum.
1) Sarcoma [CHILDREN]: cancer of connective tissue or supportive tissues, inside of bones - Diagnosed during growth. 2) Carcinomas [ADULTS]: cancer of epithelial origin such as breasts, colon, pancreas, skin, lung which spreads to bone - Diagnosed peak growth periods.
The epithelial cells that line capillaries are routinely referred to as endothelial cells, and the capillary epithelium is called an Endothelium-a term reserved for the layer of flat cells lining blood vessels, lymph vessels, and other cavities.he epithelial cells that line capillaries are routinely referred to as endothelial cells, and the capillary epithelium is called an Endothelium-a term reserved for the layer of flat cells lining blood vessels, lymph vessels, and other cavities.