基础医学英语课件：Unit 4 Formation of Urine

1、Unit 4,Urinary System,1,2,3,4,5,6,7,8,9,10,esophagus,liver,stomach,gall bladder,pancreas,large intestine,small intestine,appendix,rectum,anus,ureter,abdominal,肾上腺,皮质,髓质,肾盏,肾小体,肾盂,输尿管,骼动脉（静脉）,尿道,骼总静脉,腹主动脉,肾静脉,腹腔动脉,renal corpuscle,urine urinary urinate urination ureter urethra urea,New Words,nephron :

2、kidney glomerulus: (pl.) glomeruli (bronchi-bronchus) (alveoli-alveolus) osmosis: -sis, -asis, -osis 状态，病（态）-peristalsis,New Words,proximate: adj. 近似的proximal: adj. 近位的，基部的 distant: adj.遥远的distal: adj. 远位的，末梢的 alkaline: -ine, -in 属于的，如的，有性质的,Introduction,What is urine composed of? What is filtration

3、 fraction? The three precisely regulated processes that form urine are,Brief Introduction,3 precisely regulated processes,Filtration,The process of glomerular filtration. The glomerular filtrate primarily consists of Describe the term “urea”.,osmosis,Define the term “reabsorption”. Substances reabso

4、rbed are If the tubules can not absorb all the sugar, what will happen?,Reabsorption,most,entire,partial most part,proximal tubules,proximal tubules,renal tubules tubular fluid,醛固酮,Define the term “secretion”. Substances secreted are How is the pH of the blood controlled?,Secretion,afferent arteriol

5、e,efferent arteriole,glomerular capillaries,Bowmans capsule,peritubular capillaries,renal vein,1. filtration 2. reabsorption 3. secretion 4. excretion,HOMEWORK,Write a report on “structure and function of the kidneys” . Prepare for the oral presentation (10 minutes) on the above topic using PowerPoi

6、nt and present it next time.,Class work,What are the components of urine? What does glomerular filtrate consist of ? What substances are reabsorbed?,pancreas rectum cholesterol gland enzyme mucosa tract saliva,esophagus gall bladder carbohydrate peristalsis starch bile glucose amino acid,terms revision -3,aorta vena cava atrium ventricle systole diastole colon,sinoatrial node septum pulmonary stethoscope coronary artery valve capillary vein,terms revision -2,pharynx larynx trachea bronchus cilium mucus go