척추를 구성하는 각각의 뼈 마디로, 척수를 보호하고 몸을 지탱하는 역할을 함.
Any of the individual bones that stack together to form the spinal column in vertebrates, protecting the spinal cord and providing structural support.
예문:
"The doctor identified a hairline fracture in the third lumbar vertebra."
"Each vertebra is separated by a disc that acts as a shock absorber for the spine."
"The fossilized vertebra suggests that the prehistoric creature had a massive neck."