这个词是什么意思？
IMMUNOGLOBULINS on the surface of B-LYMPHOCYTES. Their MESSENGER RNA contains an EXON with a membrane spanning sequence, producing immunoglobulins in the form of type I transmembrane proteins as opposed to secreted immunoglobulins (ANTIBODIES) which do not contain the membrane spanning segment.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D011947 · MeSH 2026。
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