16 Questions
What is the passage of the urethra through the prostate gland in males?
Prostatic urethra
Which nerve is responsible for the contraction of the internal urethral sphincter?
Hypogastric nerve
What is the length of the female urethra?
3-4 cm
Which part of the brain is responsible for integrating the micturition response?
Pons
What type of epithelium is found near the bladder in the urethra?
Transitional epithelium
What is the name of the muscle that voluntarily inhibits urination?
External urethral sphincter
What is the primary function of the kidneys in the urinary system?
Maintaining the chemical consistency of the blood
Where are the kidneys located in the body?
Retroperitoneally, lateral to T12–L3 vertebrae
What is the term for the process by which the kidneys filter waste and excess substances from the blood?
Filtration
What is the name of the network of autonomic fibers that supplies the kidneys?
Renal plexus
What is the term for the microscopic functional units of the kidney?
Nephrons
What is the name of the collecting duct that receives urine from the distal convoluted tubule?
Collecting duct
What is the term for the process by which the kidneys reabsorb most nutrients, water, and essential ions from the filtrate?
Reabsorption
What is the term for the process by which the kidneys actively remove undesirable molecules from the bloodstream?
Secretion
What is the term for the muscular, collapsible tube that carries urine from the kidneys to the urinary bladder?
Ureter
What is the term for the involuntary muscle that surrounds the urethra and helps to regulate urine flow?
Internal urethral sphincter
Learn about the main organs and functions of the urinary system, including the kidneys, ureters, urinary bladder, and urethra. Understand how they maintain the chemical consistency of the blood and remove waste products from the body.
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