CHAPTER_SIX - CHAPTER SIX URINARY SYSTEM The urinary system...

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CHAPTER SIX URINARY SYSTEM The urinary system removes waste material from the body, regulates fluid volume, and maintains electrolyte concentration in the body fluid. Organs of the urinary system are the kidneys, ureters, bladder, and urethra. ORGANS OF THE URINARY SYSTEM ORGAN/STRUCTURE/ELEMENTS DEFINITION kidneys The function of the kidneys is to remove waste products from the blood and to aid in maintaining water and electrolyte balances. Two bean-shaped organs located on each side of the vertebral column on the posterior wall of the abdominal cavity behind the parietal peritoneum. They are retroperitoneal. nephron urine-producing microscopic structure. (approximately 1 million per kidney) glomerulus (pl. - glomeruli) cluster of capillaries at the entrance of the nephron. The process of filtering the blood (and thus forming urine) begins here. renal pelvis funnel-shaped reservoir that collects the urine and passes it to the ureter hilum indentation on the medial side of the kidney where the ureter leaves the kidney ureters two slender tubes that receive the urine from the kidneys and carry it to the posterior portion of the bladder urinary bladder muscular, hollow organ that temporarily holds the urine. As it fills, the thick, muscular wall becomes thinner and the organ increases in size. urethra lowest part of the urinary tract, through which the urine passes from the urinary bladder to the outside of the body. (1.5” 1
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long in the female; 8” long in the male, in whom it is also part of the reproductive system carrying seminal fluid – semen – at the time of ejaculation)) urinary meatus opening through which the urine passes to the outside FEMALE URINARY SYSTEM MALE URINARY SYSTEM; FRONTAL SECTION OF THE KIDNEY SUFFIXES SUFFIX DEFINITION -iasis, esis condition -lysis loosening, dissolution, separating -megaly enlargement -ptosis drooping, sagging, prolapse -rrhaphy suturing, repairing -tripsy surgical crushing 2
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-trophy nourishment, development -uria urine, urination COMBINING FORMS FOR THE URINARY SYSTEM COMBINING FORM DEFINITION cyst/o bladder, sac vesic/o bladder, sac glomerul/o glomerulus meat/o meatus (opening) nephr/o, ren/o kidney pyel/o renal pelvis ureter/o ureter urethra/o urethra COMGINING FORMS COMMONLY USED WITH URINARY SYSTEM TERMS COMBINING FORM DEFINITION albumin/o albumin azot/o urea, nitrogen blast/o developing cell, germ cell glyc/o, glycos/o sugar hydr/o water lith/o stone, calculus noct/i night olig/o scanty, few son/o sound tom/o cut, section urin/o, ur/o urine, urinary tract DISEASES AND DISORDER TERMS BUILT FROM WORD PARTS TERM DEFINITION cystitis inflammation of the bladder cystocele protrusion of the bladder cystolith
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CHAPTER_SIX - CHAPTER SIX URINARY SYSTEM The urinary system...

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