Kidney physiology YU Yangin. PhD Zhejiang University, School of Medicine
Kidney Physiology YU Yanqin, PhD Zhejiang University, School of Medicine
Diaphragm Kidney 1. Excretion Ureter 2. Pathway for excretion Bladder Urethra The paired kidneys form a filtrate of the blood that is modified by reabsorption and secretion; urine designated for excretion moves along the ureters to the bladder
The paired kidneys form a filtrate of the blood that is modified by reabsorption and secretion; urine designated for excretion moves along the ureters to the bladder. 1. Excretion 2. Pathway for excretion
Functions of the Kidney Regulation of body fluid osmolality(渗透 压) Regulation of electrolyte and water e Excretion of waste products Regulation of acid and base
Functions of the Kidney ⚫ Regulation of body fluid osmolality (渗透 压) ⚫ Regulation of electrolyte and water ⚫ Excretion of waste products ⚫ Regulation of acid and base
Functions of the Kidney- Urine 成人1000~2000m1/天-常 ·>2500m1/天---多尿 Polyuria 400m天--尿 Oliguria <100m天-尿 Anuria
• 成人1000~2000m1/天------正常 • 2500m1/天-----多尿Polyuria • <400ml/天-----少尿Oliguria • <100ml/天-----无尿Anuria Functions of the Kidney--- Urine
Components of urine water:95%~97% solid 37-52 sat:氯化钠、硫酸盐、磷酸盐,钾盐、铵盐等 有机物:尿素、肌酐、马尿酸、尿胆素
Components of urine water：95％~97％ solid：3％~5％ salt：氯化钠、硫酸盐、磷酸盐，钾盐、铵盐等 有机物：尿素、肌酐、马尿酸、尿胆素