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      • vertebra morphology trait

• vertebra quantity   VT:0000138   (3)
Definition: The proportion or number of bony segments of the spinal column. [ISBN:0-683-40008-8];
• lumbar vertebra quantity     (1)




MP:0000138 (absent vertebrae) is numbered similarly to VT:0000138 but is over in the MP ontology (semantics may or may not be similar).

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