Chapter7 Urine Section1 Introduction Section2 Urine Formation Section3 Urinary Concentration and Dilution Section4 Factors Affecting Urine Formation Section5 Micturition
Chapter7 Urine Section1 Introduction Section2 Urine Formation Section3 Urinary Concentration and Dilution Section4 Factors Affecting Urine Formation Section5 Micturition
Section1 Introduction
Section1 Introduction
Excretion Excretion:the process that the cellular waste products or extra nutrients,minerals and I water leaving the body Four excretory pathways (1)By respiratory organ (2)By intestinal tract (3)By skin (4)By kidney
Excretion: the process that the cellular waste products or extra nutrients、minerals and water leaving the body Four excretory pathways Excretion (1)By respiratory organ (2)By intestinal tract (3)By skin (4)By kidney
Functions of kindey -excretion of waste products and foreign material Regulation of: body fluid osmolarity and volume electrolyte balance acid-base balance blood pressure .Secretion of erythropoietin 1,25-dihydroxy vitamin D3 renin prostaglandin
Functions of kindey •excretion of waste products and foreign material •Regulation of: body fluid osmolarity and volume electrolyte balance acid-base balance blood pressure •Secretion of erythropoietin 1,25-dihydroxy vitamin D3 renin prostaglandin
properties and Components of urine Physical &Chemical properties of urine(video) 颜色:淡黄或透明黄色,马属动物尿中因含较多CaCO3 而呈黄白色、混浊 PH:肉食动物 酸性(含较多硫酸盐、磷酸盐) 草食动物 碱性(含较多KCO3) 杂食动物随食物而变 Components 水:9697% urine 固体物 有机物:尿酸、尿素、肌酐等代谢终产物 无机物:硫酸盐、磷酸盐等
properties and Components of urine 颜色:淡黄或透明黄色,马属动物尿中因含较多CaCO3 而呈黄白色、混浊 PH:肉食动物 酸性(含较多硫酸盐、磷酸盐) 草食动物 碱性(含较多KCO3) 杂食动物 随食物而变 urine 水:96~97% 固体物 有机物:尿酸、尿素、肌酐等代谢终产物 无机物:硫酸盐、磷酸盐等 Physical &Chemical properties of urine(video) Components
Structure of kidney Structure of kidney y (video) 情皮质 情随质 肾的肉部构造 喻动脉分支 小益 俯大盖 肾孟 情门边缘 髓质内 肾雅体 情案 输尿管 情乳头
Structure of kidney (video) Structure of kidney
仔准体 肾皮质 学被模: ?子简质 小将盏 大肾盏 将程 特柱 肾乳头 输尿管 (a) ,肾单位 皮质 髓质 集合管 样小管 子乳头 学盏 LLoO
glomerulus Renal corpuscle 肾小球 肾小体 肾小体 Bowman capsule 肾小囊 肾小管 近端小管 近曲小管 袢降粗段 肾小 集合管 髓袢细段 袢降细段 管 袢升细段 远端小管 袢升粗段 远曲小管
Renal corpuscle 肾小体 glomerulus 肾小球 Bowman capsule 肾小囊 肾 小 管 近端小管 近曲小管 髓袢细段 袢降细段 袢降粗段 袢升细段 远端小管 袢升粗段 远曲小管 Nephron肾单位
Type of nephron 小叶间 动脉 cortical nephron 近髓 肾单位 皮质 juxtamedullary 外髓质 nephron 内随质 集合司
Type of nephron cortical nephron juxtamedullary nephron
Nephron Cortical nephron Juxtamedullary nephron Nephron Size Number in A./A.E ratio Rennin percentage in diameter producing ability Cortical small 80~90 2:1 yes nephron Juxrtamed... big 1020 1:1or1:1+ no nephrion 生长在水分较少环境的动物(如骆驼)近髓肾单位占 60%~80%
生长在水分较少环境的动物(如骆驼)近髓肾单位占 60%~80%