Urinary System (2026)

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Across
  1. 6. Solution that causes red blood cells to swell and possibly burst due to water entering the cell
  2. 7. Presence of red blood cells in urine
  3. 8. Movement of water across a semipermeable membrane
  4. 11. Cells in collecting duct that regulate sodium and water
  5. 13. Measure of urine concentration compared to water
  6. 15. Hormone peptide that promotes sodium excretion
  7. 22. Process of moving substances from filtrate back into the blood
  8. 23. Surface cells that stretch to allow bladder expansion; contain uroplakin proteins
  9. 24. Functional unit of the kidney responsible for filtration and urine formation
  10. 25. Capillary network where blood filtration begins
  11. 26. Hormone that increases sodium reabsorption by increasing epithelial sodium channels in the distal nephron
  12. 27. -II; Hormone that increases blood pressure and constricts blood vessels
  13. 31. Brain region that regulates water intake (thirst center located here)
  14. 33. Name of the smooth muscle that contracts bladder to expel urine
  15. 34. Abbreviation; Hormone that increases water reabsorption in kidneys by inserting aquaporins
  16. 36. Cells that secrete renin in response to low blood pressure
  17. 38. Triangular region of the bladder between ureter openings
  18. 39. Pigment responsible for the yellow color of urine; also known as urochrome
  19. 41. Enzyme that initiates RAAS
  20. 42. Solution with equal solute concentration as another solution
Down
  1. 1. Voluntary sphincter controlling urination; refers to position
  2. 2. Presence of glucose in urine
  3. 3. Process of moving substances from blood into the tubular fluid
  4. 4. Cells that detect sodium concentration in distal tubule
  5. 5. Sensors that detect changes in osmolarity
  6. 9. Cells that regulate acid base balance in collecting duct
  7. 10. Specialized epithelial lining of the urinary tract
  8. 12. capsule; Cup-shaped structure that collects filtrate from the glomerulus
  9. 14. Presence of bilirubin in urine
  10. 16. Water channels that facilitate water movement
  11. 17. Involuntary sphincter controlling urine flow; refers to position
  12. 18. Structure composed of the glomerulus and Bowmans capsule; starts with “c”
  13. 19. Tube that carries urine from bladder to outside the body
  14. 20. Specialized cell with filtration slits in the glomerulus
  15. 21. multiplier system; Mechanism that creates osmotic gradient in the kidney medulla
  16. 25. Abbreviation; measure of how much filtrate is formed per minute in the kidneys
  17. 28. fluid Fluid surrounding cells in tissues
  18. 29. Presence of white blood cells in urine
  19. 30. Structure that collects urine from renal pyramids; there are minor and major
  20. 32. Sensors that detect changes in blood pressure
  21. 35. Solution that causes red blood cells to shrink due to water leaving the cell
  22. 37. Presence of ketone bodies in urine
  23. 40. Tube that carries urine from kidney to bladder