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Fetus=33 Adult=24

The 5 sacral and 4 coccyx bones of the fetus fuse together - that's why adults only have 24

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13y ago
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5mo ago

Fetal vertebrae are smaller in size and appear more cartilaginous compared to adult vertebrae. Fetal vertebrae also have different proportions and shapes which change as they mature into adult vertebrae, with the presence of ossification centers being a key difference.

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13y ago

A fetus has 33 vertebrae. The bones of the sacrum and coccyx fuse together, so adults only have 24 vertebrae.

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13y ago

In a fetus the rib cage is compressed laterally froming a pointed anterior rib cage surface.

the thorax becomes more rigid with age, coastal cartilages ossify

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15y ago

they have the same number but early fetus bones are still made of cartilage instead of ossified bone

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15y ago

they have the same number of vertebrae, if that is what you are asking

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14y ago

The fetal thoracic cage is more pliable and does not provide as much protection of organs as that of adults.

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13y ago

One is smaller. There are also more bones in the fetal skeleton because some bones fuse together by the time adulthood is reached.

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11y ago

they have bones

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Q: How does a fetal vertebrae compare to an adult vertebrae?
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The fetal vertebrae are comparing with adult from the curvatures. Some of the curvatures are not seen until after birth.


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