Sherwood - Chapter 12

Objective:  To understand the role of tubular secretion by the kidney as a supplemental mechanism that hastens the elimination of compounds from the body.

1.  Tubular secretion
        a.  renal hydrogen and potassium
2.  Urine excretion and plasma clearance
3.  Medullary countercurrent system
        a.  isotonic
        b.  hypotonic
        c.  hypertonic
4.  Vasopressin