The anterior part is the head kidney, having no nephron but hemopoietic tissue.
前端为头肾，无肾单位，仅是造血器官。
Microstructure and histochemistry of the head kidney of the carp were investigated by light microscopy.
应用光镜对鲤鱼头肾的显微结构及其某些组织化学特性进行了研究。
Effect of Astragalus radix on proliferation and nitric oxide production of head kidney macrophages in Cyprinus carpio: an in vitro study.
黄芪对鲤头肾中巨噬细胞的增殖和一氧化氮产量的影响：离体研究。
Astragalus radix extract stimulated the proliferation of the head kidney macrophages, and it alone had no effect on nitrogen burst activity of macrophages.
黄芪水提取液单独使用时能刺激鲤头肾中巨噬细胞的增殖，但不能刺激巨噬细胞的氮暴发活性。
The results showed that the major immune organ in the carp was the head kidney. The surface of the head kidney was covered with a thin layer of fibroid connective tissue capsule.
结果表明，头肾是鲤鱼的主要免疫器官，表面覆盖有一薄层纤维结缔组织性被膜，未见明显的小梁。
The results showed that the major immune organ in the carp was the head kidney. The surface of the head kidney was covered with a thin layer of fibroid connective tissue capsule.
结果表明，头肾是鲤鱼的主要免疫器官，表面覆盖有一薄层纤维结缔组织性被膜，未见明显的小梁。
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