London, United Kingdom
Foetal Spinal Column
Photograph - Photograph
Foetal spinal column. Coloured scanning electron micrograph (SEM) of the spine of a foetus. Intervertebral discs (spongy, oval, dark yellow) are sandwiched between vertebrae (lighter yellow), which are themselves connected by a facet joint. The discs are made of fibrous cartilage, and are used for shock absorption, whilst the many vertebrae allow the spine the flexibility to move.
May 12th, 2013
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