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Beschreibung
Karteikarten von khtsmith09, aktualisiert more than 1 year ago
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Erstellt von khtsmith09
vor etwa 9 Jahre
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| Frage | Antworten |
| What is anti-diuretic hormone? | It is the hormone that controls water concentration in the body by changing how permeable to water the collecting duct nephrons in the kidney are are |
| What is the function of the bladder? | Where urine is held until excretion |
| What and where is the bowman's capsule? | located in the kidney, it is the 'cup shaped' bit at the start of the nephron where ultra filtration occurs (no red blood cells or proteins) |
| What is the collecting duct? | Collecting duct is located in liver nephrons, it is the tube like structure where water is reabsorbed |
| What are the convoluted tubules? | two bits of the nephron (kidney) which are close to a capillary (in the proximal convoluted tubule necessary glucose is reabsorbed) |
| what is Glomerular filtrate? what does it consist of? | Liquid (in bowman's capsule) produced by ultra-filtration; consists of glucose, water,mineral ions (eg:sodium), hormones, vitamins and urea. blood cells and proteins cant get through because they are too big |
| What is the glomerus? | loads of capillaries that work with the bowman's capsule (provides blood to be filtered) |
| what is the hypothalamus and where is it? | hypothalamus is located in the brain, it monitors the water content of the blood- tells pituitary glad to secrete ADH |
| What is the loop of Henle? | tis the bit of the nephron which goes slightly into the medulla of the kidney |
| what is a nephron? | tiny bit of the kidney (tubule) where ultra-filtration and re-absorbtion take place- creates urine |
| what is osmoregulation? | regulation of the water content/concentration in the blood |
| what is selective re-absorption? | the absorption of certain things than others, like water in the collecting duct |
| what are ureters? | they are tubes that connect the kidneys to the bladder |
| what is the composition of urine? | water, urea and salts |
| what are the components of the urinary system | kidneys, ureters, bladder and urethra |
| What is the effect of ADH on the collecting duct | the secretion of ADH makes the collecting duct more permeable to water and so it re absorbs more water |
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