The extra bones that sometimes develop between the flat bones of the skull are called bones.

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Explanation:

the answer is Sutural bones , I learned bout it but I don't remember y...

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thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.