UH BIOL 1344 - Final Exam Study Guide (7 pages)

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Final Exam Study Guide



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Final Exam Study Guide

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Contains lecture notes from all the lectures covered in this exam. Includes key terms and definitions put out by the professor.


Pages:
7
Type:
Study Guide
School:
University of Houston
Course:
Biol 1344 - Hum Anat Physiol
Edition:
1

Unformatted text preview:

BIOL 1344 Exam 3 Study Guide Lectures 19 27 Lecture 19 The Urinary System kidneys ureter urinary bladder urethra Kidneys paired organs outside peritoneal cavity surrounded by fibrous capsule perinephric fat renal fascia and paranephric fat which protects from mechanical shock Unilateral renal agenesis one kidney fails to develop bilateral renal agenesis neither develop Ptosis when the kidneys drop causing a kink in the ureter due to loss of adipose connective tissue usually in anorexics or old people Can result in renal failure Renal Calculi Kidney Stones causes radiating acute pain and a burning sensation while urinating can contain oxlate phosphates and sulfates Stones don t cause pain until they start moving Treatment can include lithotripsy pulverizes stones through an ultrasound type machine Chronic Renal Failure must get dialysis or a kidney transplant Intravenous Pyelography IVP uses radioactive dye to measure kidney function Dye flows with the blood to healthy areas of the kidney so whatever part of the kidney appears darker is the healthy area Functions of the Kidney 1 2 3 4 Removing nitrogenous wastes Blood Cell Formation kidneys secrete erythropoietin hormone to stimulate production Osmoregulation regulates levels of water electrolytes and ions in the body Bone Health calcium reabsorption phosphate excretion trigger vitamin D3 synthesis Lecture 20 Kidney Structure 8 15 lobes of the renal pyramids renal papillae minor calyces major calyces renal pelvis ureter urinary bladder Each kidney contains about 1 million nephrons Structural flow in the kidney goes Bowman s capsule proximal convoluted tubule thick descending loop of Henle permeable to water and sodium a thin ascending loop of Henle permeable only to sodium distal convoluted tubule collecting tubule collecting duct papillary duct then finally the minor calyx Leading from the other side of the Bowman s capsule are efferent and afferent arterioles There are two types of nephrons in the kidneys Cortical



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