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.
Meronyms (parts of epithelial tissue): epithelial cell (one of the closely packed cells forming the epithelium). Hyponyms (each of the following is a kind of epithelial tissue): endothelium (an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities).mesothelium (epithelium originating in the embryonic mesoderm; lines the primordial body cavity).eronyms (parts of epithelial tissue): epithelial cell (one of the closely packed cells forming the epithelium). Hyponyms (each of the following is a kind of epithelial tissue): endothelium (an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities).