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Name the function of the urinary system
kidneys filter blood plasma, returning most of the water and solutes to the bloodstream.
remaining water and solutes constitute urine
8 main functions of the kidney
- 1) Regulate ion levels in the blood
- 2) Regulate blood pH
- 3) Regulate blood volume = blood pressure
- 4) Regulate blood pressure enzymatically
- 5) maintain osmolarity
- 6) Produce hormones: calcitriol and erythropoietin
- 7) regulate blood glucose
- 8) excrete waste
The kidneys are located in a space called ________
the concave medial border of the kidney is known as the _____________
name the 3 layers of tissue that surround each kidney
- Renal Fascia
- Adipose Capsule
- Renal Capsule
What is the renal fascia?
- it is a layer of tissue surrounding the kideny
- dense irregular connective tissue that anchors the kidney to the surrounding structures and to the abdominal wall.
What is the adipose capsule?
- one of the 3 layers that covers the kidey
- protects the kidney from trauma
The apex of a renal pyramid is called?
the area between the renal pyramids is calle?
the nephron consists of these 2 parts
- Renal Corpusle - where blood is filtered
- renal tubule - into which the filtered fluid passes
The 2 components of the renal corpuscle
- 1) Glomerulus (capillary network)
- 2) Glomerular (Bowman's) capsule
3 components of the renal tubule
- 1) proximal convoluted tubule
- 2) loop of Henle
- 3) distal convoluted tubule
The Bowman's capsule consists of a parietal layer and a visceral layer. What type of epithelium is found here?
Visceral: modified simple squamous epithelial cells called podocytes
Parietal Layer: simple squamous epithelium
Fluid filtered from the glomerular capillaries enters the ____________ ; the lumen of the urinary tubule.
the purpose of the juxtaglomerular apparatus
to regulate blood pressure
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