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Stack #39626
A&P2 Test 5 #4 of Urniary System-Nephrons
| Question | Answer |
|---|---|
| Trigone is a point of referance: | Created by 2 uretheral openings & urethra |
| Nephrons have:(3) | Renal Tubules, Glomerulus & Glomerular Capsule |
| RENAL TUBULES -(4) are: | PROXIMAL CONVALUTED, LOOP OF HENLE, DISTAL CONVOLUTED & COLLECTING TUBULES |
| glomerulus is a knot of: | capillaries |
| GLOMERULAR CAPSULE : | surrounds the capilary knot |
| RENAL CAPSULE aka CORPUSCLE refers to: | the glomerular capsule, plus its capillary tuft |
| RENAL PYRAMIDS are structures | located in the medullary layer |
| Renal Pyramids are formed from | tubules & blood vessels assoc w/nephrons |
| collecting tubules go thru pyramids: | into MINOR CALYCES |
| MINOR CALYCES empty into | MAJOR CALYCES, which in turn empty into the renal pelvis |
| Each nephron is assoc with a: | GLOMERULAR CAPILLARY BED |
| The glomerular capillary bed produces | filterate and a PERITUBULAR BED |
| The PERITUBULAR BED | reclaims most of the filterate |
| Afferent arterioles from the: | interlobular arteries feed into the nephrons glomerular tuft. |
| Two types of nephrons are; | cortical and juxtamedullary |
| Which type nephron is most #"s? | cortical |
| CORTICAL NEPHRON has its | glomerulus located in the upper cortical zone |
| The cortical nephron rarely | penetrates the medulla |
| PERITUBULAR CAPILLARIES are the: | capillaries of the cortical nephron |
| JUXTAMEDULLARY NEPHRON has its | glomerulus loc close to the cortico-medullary junction |
| Peritubular capillaries of JG nephrons: | include an additional capillary network called the VASA RECTA |
| A nephron starts as a double: | walled cup called the glomerular capsule |
| Glomerular capsule is in the | cortex |
| Name outer wall of nephron capsule: | called the PARIETAL LAYER |
| The perietal layer consists of: | simple squamous epithelium |
| CAPSULAR SPACE seperates | parietal layer from inner layer |
| Inner layer of nephron capsule is: | VISCERAL LAYER |
| VISCERAL LAYER consists: | of epithelial cells called PODOCYTES |
| Inner layer of nephron surrounds a | capillary network called the glomerulus |
| ENDOTHELIAL-CAPSULAR MEMBRANE formed: | from visceral layer of capsule & endothelium of the glomerulus |
| The endothelial-capsular membrane: | filters water and solutes in the blood |
| Apx. 1200 ml of blood: | pass thru kidneys each minute |
Created by:
Jean and Study Pals