11.3 The kidney Flashcards
A diagram of the glomerulus an associate nephron to show the function of each part
Do it
Explain the process of ultrafiltration including blood pressure, fenestrated blood capillaries, and basement membrane
High blood pressure is necessary for Phil Traciann accomplished through functioning of juxtaglomerular apparatus open, assessor region of Africa are Truro close bracket – alter association is when high blood pressure in the glomerulus forces small molecules such as H2O nitrogen waste nutrients ions’s – salt through sinister your blood could pillories [very small Spetz slits that open when blood pressure is increased closed bracket and into Baumans capsule – fluid ultrafiltrate it passes through basement membrane this prevents large molecules from becoming part of the filtrate [large molecules unable to pass such as blood cells platelets proteins are made in blood and leave the Gomera afferent arterial – small filter Emily feels forced into balance call filtrate interiors enters proximal Convuted tubule
Define Osmoregulation
Body’s response mechanisms which attempt to maintain homeostatic levels of water
Aslan the rehab source of glucose water and salt in the proximal convoluted tubule and including the rolls of microvilli
Molecules are reabsorb that body needs moved from proximal convoluted tubule her to the PERTIBULAR CAPILLARY network back into the blood dinner portion has maker below in order to increase surface area of the absorption
Define excretion
Excretion of the removal from the body of the waste products of metabolical pathways
Explain the reabsorption of glucose water and salt in the proximal convoluted tubule including the roles of microvilli, osmosis and active transport.
-once filtrate is made molecules that body needs are reabsorb such as water nutrients and some salts – molecules are reabsorbed move from the proximal convoluted tubule into the PERITUBULAR CAPILLARYnetworkand back into the blood
-, the inner portion of the tubule microvilli in order to increase surface area of Reabsorption
-salts and ions and glucose are actively transported there, they require ATP and a carrier molecule – salts are actively transferred it into the tubule
cells and then into the intracellular fluid
- water moves by osmosis because there is a high concentration of water in the nephron and low concentration of water in the capillary network
- when and A+ is actively transported seal possibly follows which further encourage his water to be absorbed
Explain the role of the loop of henele Maintainh the water valance of the blood
I’m confused
Explain the role of the collecting duct in Maintaining the water balance of the blood
Confused
Playing the role of ADH in maintaining the water balance of the blood
-released by posterior pituitary gland and promotes the Reabsorption of water from the collecting duct
1cells in hypothalamus to text low H2O in blood
- ADH released into blood acts on collecting duct causing it to be more permeable
- more H2O is reabsorbed therefore the blood volume increases and the urine becomes extremely concentrated
- I was but becomes more tightly you it is detected by the hypothalamus which creates a negative feedback and ADH secretion is stopped
Differences in the concentration of protein and glucose in your urea between blood plasma,glomerular filtrate and urine
Difference in concentration because proteins: are too large to fit through basement membrane within the glomerulus that was there no proteins infiltrate our year-end. – Glucose: does is in blood plasma because blood is unfiltered, filtrate and is in original blood because it’s able to fit to the basement membrane, but is actively transported in PCT therefore no glucose in urine – urea becomes toxic if concentration is too high in blood plasma, urea concentration is very high in urine comparatively because of reinforcement water causes the urea content to be magnified and concentration
Explain the presence of glucose in the urine of untreated diabetic patients
– Lack of insulin or sensitivity to insulin leads to high amounts of glucose in the blood
-i’m only all glucose reabsorbed in proximal convoluted tubule but for someone with diabetes blood glucose levels are so high that not all can be reabsorbed
– glucose is actively transported and needs a carrier energy with diabetes there’s not enough carriers and PCT to observe all the glucose and someone with diabetes
