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CH 20
APHY 102 Urinary
| Term | Definition |
|---|---|
| af- | to/ afferent arteriole (leads to) |
| calyc- | small cup |
| cort- | covering |
| cyst- | bladder |
| detrus- | force away |
| glom- | little ball |
| juxta- | near to |
| mict- | to pass urine |
| nephr- | pertaining to kidney |
| papill- | nipple |
| prox- | nearest |
| ren- | kidney |
| trigon- | triangular |
| position of kidneys in relation to vertebrae | 12th thoracic to 3rd lumbar |
| position in body | posterior to the parietal peritoneum and against the deep muscles of the back |
| what holds kidneys in place? | connective and adipose tissue |
| kidneys secrete what hormone to control the rate of RBC formation? | erythropoietin |
| kidneys secrete what enzyme to regulate blood pressure? | renin |
| kidneys regulate absorption of calcium ions by activating vitamin | D |
| renal pelvis | located mostly inside renal sinus directs the urine formed by the kidney toward the ureter. |
| functional unit of kidney | nephron |
| renal arteries transport | large volume of blood to the kidneys |
| Blood flow through the kidneys | renal A-interlobular A-arcuate A-cortical radiate A-afferent arteriole-glomerular capillaries-efferent arteriole-peritubular capillaries or vasa recta-cortical radiate vein-arcuate vein-interlobular vein-renal vein |
| what are the two major components of a nephron? | renal corpuscle, renal tubule |
| the _____ arteriole supplies blood to the nephron | afferent |
| from afferent arterioles blood flows into ? | glomerular capillaries |
| segments of the renal tubule in order | proximal tubule-nephron loop-distal tubule |
| the segment of renal tubule that receives filtrate from the glomerular capsule is the ____ tubule | proximal |
| urine formation | glomerular filtration-tubular reabsorption-tubular secretion |
| the most commonly measured index of kidney function | glomerular filtration rate (GFR) |
| cells that cover the glomerulus, helping to form the visceral layer of the capsule are called | podocytes |
| what secretes renin | the juxtaglomerular apparatus |