x
uploads/neural arch.jpg

neural arch 【動物;動物學】髓弓。

neural canal

In the transerse scan the normal neural arch appears as a closed circle with an intact skin coering , whereas in spina bifida the arch is “ u “ shaped and there is an associated bulging meningocele ( thin - walled cyst ) or myelomeningocoele 在橫切面上,正常神經弓表現為閉合的環,有完整的皮膚覆蓋,然而在脊柱裂,弓變成“ u ”型,有相應的腦膜膨出(薄壁的囊型結構)或脊髓脊膜膨出。

Diagnosis of spina bifida requires the systematic examination of each neural arch from the cerical to the sacral region both transersely and longitudinally 診斷脊柱裂需要在橫切面和縱向上從頸部到骶區進行系統的檢查每一個神經弓。