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小测验：选择正确的单词
- 论坛新贴
medulla [me'dʌlə]
基本释义
- n. 骨髓,髓质,延髓
词形变化
- 形容词：my'e·lin'ic
常用短语
- medulla oblongata
延髓 - adrenal medulla
肾上腺髓质 - medulla spinalis
脊髓
- medulla oblongata
参考例句
- chromaffin cells of the adrenal medulla.
肾上腺髓质的嗜铬细胞
- chromaffin cells of the adrenal medulla.
英英解释
3个名词解释
- a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
[同] medulla, myelin, myeline - lower or hindmost part of the brain; continuous with spinal cord; (bulb' is an old term for medulla oblongata)
[同] bulb, medulla, medulla oblongata
[例]- the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
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- a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers