Koval'chuk L E
Arkh Anat Gistol Embriol. 1987 Nov;93(11):93-8.
In 9 sand lizards ultrastructure of the juxtaglomerular complex of the kidney has been studied. It is presented as juxtaglomerular cells, situating in the middle tunic of the afferent glomerular arteriole near the vascular pole of the renal corpuscle. Cytoplasm of these cells contains secretory granules at various stages of development: young, maturing and mature, as well as solid corpuscles and myofilaments. In some nephrons primitive forms of the macula densa and the juxtaglomerular island occur. Their presence demonstrates phylogenetically new structural organization of the juxtaglomerular complex in lizards. For the first time in reptilia peripolar cells are found, they are situated on the basal membrane of the external part of the glomerular capsule near the vascular pole of the renal corpuscle. A suggestion is made on their functional interconnection with the juxtaglomerular complex.
对9只沙蜥肾脏的球旁复合体超微结构进行了研究。球旁复合体由位于肾小体血管极附近的入球小动脉中层的球旁细胞组成。这些细胞的细胞质中含有处于不同发育阶段的分泌颗粒：年轻的、成熟中的和成熟的，还有固体小体和肌丝。在一些肾单位中出现了致密斑和球旁岛的原始形式。它们的存在表明蜥蜴的球旁复合体在系统发育上有新的结构组织。首次在爬行动物中发现了极周细胞，它们位于肾小体血管极附近肾小球囊外部的基底膜上。有人提出了它们与球旁复合体的功能联系。
