ANSC 3080 Study Guide - Midterm Guide: Renal Function, Peritubular Capillaries, Afferent Arterioles

• School: University of Guelph
• Department: Animal Science
• Course: ANSC 3080
• Professor: Julie Kim

Document Summary

Composition and volume of body fluids must remain constant (blood, extracellular fluid) Urinary system with the kidneys is the primary regulator of volume and ion concentration in extracellular fluid. Selective excretion: important products retained (glucose, amino acids, proteins), waste removed. Excrete body organic wastes: urea (metabolism of proteins), bile (degradation of hemoglobin) Stabilize osmolarity (volume and the concentration of ions in extracellular fluid) Remove wastes and foreign substances from the blood. Contribute to the acid balance by removing h+ and bicarbonate (hco3-) Produce erythropoietin to stimulate the formation of erythrocytes. Produce calcitriol = active form of vit d. Produce renin, an enzyme that regulates the formation of angiotensin ii (regulates blood pressure and aldosterone) Kidneys are located on the upper abdominal wall. Arteries, veins and ureters enter through the renal hilus. Composed of an outer cortex and an inner medulla.