Flashcards in Chapter 13 - The Urinary System Deck (49)
Created by kidneys. Hormone that stimulates red blood cell production in bone marrow.
Created by kidneys. Enzyme that functions to raise blood pressure.
Activated by renin. Causing constriction of blood vessels.
Angiotensin converting enzyme inhibitors are drugs that lower blood pressure by interfering with production of angiotensin.
Outer region of the kidneys.
Inner region of kidneys. Divided into triangular shaped sections called renal pyramids.
Kidneys functional units.
Urine collecting areas
Upper funnel shaped portion of the ureter.
Glomerular (Bowman) capsule
Cup shaped blood filtering device of the nephron.
Collection of capillaries in the nephron
Fluid that enters the nephrons through the glomerular wall. Mainly water, electrolytes, soluble wastes, nutrients, and toxins
Main waste material. Nitrogenous byproduct of protein metabolism.
Water, electrolytes, and nutrients returned to the blood through the peritubular capillaries that surround the nephron.
Promotes reabsorption of water.
Substance that promotes urinary output (diuresis)
Stable triangle in the bladder. Marked by the uretral openings and urethral opening. Trigones stability prevents urine from refluxing into the ureters.
Internal urethral sphincter
Involuntary superior muscle at the entrance of the urethra
External urethral sphincter
Voluntary inferior muscle
Urine, urinary tract