| 单词 | Sutural bones |
| 释义 |
Sutural bones
原声例句
2017级专外有声 Sesamoid bones are small bones in tendons where considerable pressure develops, for instance, in the wrist. These, like sutural bones, are also variable in number. Two sesamoid bones, the patellas (kneecaps) are present in all individuals. 籽骨是肌腱中的小型骨，肌腱中会产生相当大的压力，例如在腕部。这些骨像缝间骨一样，在数量上是可变的。两块籽骨——髌骨（膝盖骨）存在于所有个体中。
英语百科
Wormian bones（重定向自Sutural bones）
   Wormian bones, also known as intra sutural bones, are extra bone pieces that occur within a suture in the cranium. These are irregular isolated bones that appear in addition to the usual centers of ossification of the cranium and, although unusual, are not rare. They occur most frequently in the course of the lambdoid suture, which is more tortuous than other sutures. They are also occasionally seen within the sagittal and coronal sutures. A large wormian bone at lambda is often called an Inca bone (Os Incae), due to the relatively high frequency of occurrence in Peruvian mummies. Another specific wormian bone, the pterion ossicle, sometimes exists between the sphenoidal angle of the parietal bone and the great wing of the sphenoid bone. They tend to vary in size and can be found on either side of the skull. Usually, not more than several are found in a single individual, but more than one hundred have been found in the skull of a hydrocephalic adult. |
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