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Fig. 3. Vertebral mineral content during serial demineralization. (A) Vertebrae
from anterior and lateral views. Fully mineralized vertebra show the
morphology described in Fig. 2.
A partially demineralized vertebra contains approximately 25% mineral content
by dry mass (DM). A demineralized vertebra has mineral arranged in disjointed
fragments and it consists of approximately 10% mineral by dry mass in the
cartilage. (B) Mineral content (%) decreases significantly with prolonged
immersion in EDTA (F4,118=108.94; P<0.001).
After 279 h in EDTA, vertebrae had approximately 72% of their original mineral
content removed. Data is shown in box and whisker plots and letters above the
boxes denote significant differences. N=20, except for 0 h
(N=100).