urinary system urinary system 2010 (nxpowerlite... · objectives anatomy kidney structure...
TRANSCRIPT
OBJECTIVES
ANATOMY
KIDNEY STRUCTURE
COMPOSITION OF
NEPHRONS
IDENTIFICATION OF
NEPHRON
COMPONENTS
EXCRETORY
COMPONENTS
FUNCTION of the
urinary system
URINARY SYSTEM
- FUNCTION IN
HOMEOSTASIS
RID BODY OF WASTE (UREA, URIC ACID,
CREATININE, SALTS)
PRESERVES CONSTANCY OF
EXTRACELLULAR FLUID IN COMPOSITION,
VOLUME, AND pH
ENDOCRINE FUNCTION
a) SECRETE ERYTHROPOIETIN - RED BLOOD
CELL PRODUCTION
b) PRODUCES RENIN - ALDOSTERONE RELEASE
Cortical nephrons
Juxtamedullay nephrons
Loop increases
temperature over
straight tube
with same
amount of heat
ARTERIAL PORTAL SYSTEM CAPILLARY PORTAL ARTERIOLE CAPILLARY = afferent ARTERIOLE, efferent ARTERIOLE, and PERITUBULAR CAPILLARIES