这个词是什么意思？
A double-walled epithelial capsule that is the bulbous closed proximal end of the kidney tubular system. It surrounds the cluster of convoluted capillaries of KIDNEY GLOMERULUS and is continuous with the convoluted PROXIMAL KIDNEY TUBULE.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D050476 · MeSH 2026。
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