Ovarian cancer can develop from the epithelial cells surrounding the ovary‚ the germ cells‚ or stromal cells within it. Epithelial ovarian carcinomas account for 85-90% of ovarian cancers‚ and will be the focus of this essay. Most symptoms of epithelial ovarian cancer are due to the fact that it often spreads to the lining of and organs in the abdominal cavity. These symptoms include bloating‚ pelvic or abdominal pain‚ urinary urgency or frequency‚ and trouble eating associated with feeling of fullness
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1) The functional unit of the kidney is the a- Calyx b- Nephron c- Collecting duct d- Pyramid 2) All of the following are components of the nephron except the: a- Loop of Henle b- Renal corpuscle c- Proximal tubule d- Renal pelvis 3) Plasma proteins are not commonly found in the urine because: a- All proteins are subsequently reabsorbed b- All of the plasma proteins are too large to fit through the filtration slits c- All proteins filtered
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small molecule and can easily diffuse across permeable membranes such as the capillaries in the glomerulus. The kidney contains numerous functional units called nephrons‚ which produce urine through a series of steps: ultrafiltration of the blood; selective reabsorption of the filtrate and secretion of the harmful substances. Blood flows under high pressure from the afferent arteriole into the glomerulus‚ which are tightly coiled capillaries enclosed in the Bowman’s capsule. Here
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Bio 142 Review Questions Chapter 25‚ Urinary System 1. Know functions of urinary system. The Primary Functions of the Urinary System include: 1. Excretion – removal of organic wastes from body fluids 2. Elimination – discharge of waste products 3. Homeostatic regulation – of blood plasma volume and solute concentration • Kidneys are major excretory organs o Like a city’s water treatment plant! • Urinary bladder
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reabsorption of _______________. =Sodium Each nephron consists of a _______________‚ which is a tuft of capillaries‚ and a ___________. =glomerulus; renal tubule The fluid in the glomerular (Bowman’s) capsule is similar to plasma except that it does not contain a significant amount of ________. =plasma protein What type of capillaries make up the glomerulus? =fenestrated If one says that the clearance value of glucose is zero‚ what does this mean? =Normally all the glucose is reabsorbed
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Mammalian Kidney Investigation Background Information: The kidneys are dark red bean -shaped organs that are a very important pair of organs that perform many functions. The kidneys have a convex side and a concave side. They are each about the size of a fist. The kidneys are located near the middle back of a human‚ just below the rib cage‚ one on each side of the spine. One kidney is located below the spleen on the left side of the body‚ whereas the other kidney is located just below the liver
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Chapter 25 Control of Body Temperature and Water Balance PowerPoint Lectures for Biology: Concepts & Connections‚ Sixth Edition Campbell‚ Reece‚ Taylor‚ Simon‚ and Dickey Lecture by Edward J. Zalisko Copyright © 2009 Pearson Education‚ Inc. Introduction: Chilling Out Bears sleep a lot during winter But bears do not hibernate Instead‚ they become dormant – Body temperature drops from 37°C to 31–34°C – True hibernators may cool to 30°C Dormant bears – Are easily awakened – True
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1. Testicular cancer is a common disease associated with the male reproductive system. The major symptoms associated with the disease are lumps and/or enlargements of either testicle‚ aches in the groin or abdomen area and collection of fluids in the scrotum. Other symptoms include enlargement or tenderness of the breasts and back pain. This cancer is diagnosed typically after the discovery of a lump or swelling in the testicles. The swelling or lump is usually discovered when a man gives himself
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the number of the following structures using the numbered lines in the diagram in the lab book of the nephron: _9__ afferent arteriole _8__ collecting duct _4__ distal convoluted tubule _10__ efferent arteriole __3_ glomerular capsule __2_ glomerulus _6__ nephron loop _5__ peritubular capillaries _1__ proximal convoluted tubule _11__ renal papilla _7__ vasa recti Activity 3 – Matching Number the following urinary system parts in the order a molecule of urea on
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system. Some types of kidney conditions are glomerulonephritis‚ nephrolithiasis‚ renal failure‚ and renal hypertension. Some associated conditions are diabetes insipidus and diabetes mellitus. Glomerulonephritis is inflammation of the kidney glomerulus. There are two types of glomerulonephritis‚ poststreptococcal and chronic. Poststreptococcal
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