macula densa 中文意思是什麼

macula densa 解釋
緻密斑
  • macula : n. (pl. -lae [-li;-li]) (太陽的)黑點;(礦石的)斑點,瑕疵;(皮膚上的)痣,(色)斑。
  • densa : 緻密的
  1. Renin secretion is controlled by at least four mechanisms that are not mutually exclusive : a renal vascular receptor responds to changes in tension in the afferent arteriolar wall ; a macula densa receptor detects changes in the delivery rate or concentration of nacl in the distal tubule ; circulating angiotensin has a negative feedback effect on renin secretion ; and the sympathetic nervous system stimulates renin secretion via the renal nerve mediated by receptors

    腎素的分泌至少受四種互不排斥的機制控制:腎血管受體對向心小動脈壁張力變化的反應;緻密斑受體發現遠端腎小管內氯化鈉傳遞速率或濃度的變化;循環的血管緊張素對腎素的分泌的負反饋效應;和交感神經系統經由受體介導的腎神經刺激分泌腎素。
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