| 精髓 | jīng suǐ | marrow; pith; quintessence; essence | |
| 骨髓 | gǔ suǐ | bone marrow (medulla ossea) | |
| 脊髓 | jǐ suǐ | spinal cord; medulla spinalis | |
| 脑髓 | nǎo suǐ | brain tissue; gray matter; brain; medulla | |
| 脊髓炎 | jǐ suǐ yán | myelitis; inflammation of spinal cord |
| 1 | ETP cells retained the ability to become either T cells or myeloid cells. | |
| 2 | This showed that ETPs give rise to myeloid cells in the normal thymus. | |
| 3 | In 2003, approximately 10, 500 cases of acute myeloid leukemia were diagnosed in adults. | |
| 4 | In the spleen, most of the lymphocytes of the red pulp are B cells, whereas those of the periarteriolar lymphoid sheaths are T cells. | |
| 5 | As the connections are trimmed down, an insulating substance called myelin coats the synapses to protect them. |