BIOL 3755 Chapter Notes - Chapter 14: Creatinine, Hemoglobin, Aquaporin
Document Summary
Chapter 14 kidneys and regulation of water and inorganic ions. 14. 1 renal functions: renal ~ means pertaining to kidneys, kidneys process plasma portion of blood by removing substances from it and by. Bowman"s space per unit time; determined by permeability of corpuscular membranes and surface area available for filtration. 14. 4 concept of renal clearance: clearance ~ volume of plasma from which that substance is completely removed by kidneys per unit time; mass of s excreted per unit time / plasma concentration of s. In addition, afferent input also reflexively inhibits somatic motor neurons to external urethral sphincter, causing it to relax: both sphincters are now open, and contraction of detrusor muscle can produce urination. Incontinence ~ involuntary release of urine: stress incontinence ~ urination due to sneezing, coughing, or exercise, urge incontinence ~ urination associated with desire to urinate. Insensible water loss ~ loss of water by evaporation from skin and lining of respiratory passageways is continuous process.