Genesis cells or Pontuseau cells are some of the mesenchymal cells of the inner zone of the spongy substance. They are located on the lower border of the growth of the nucleus pulposus between its peripheral part, which forms a round zone (cylindrical ball) and the part that is eccentric or medial from it. Borderline Outer cells are only a part of the mesenchymal tissue of the bone marrow. Due to their location in the spongy substance, they are also known as Henselt cells.
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