Chapter 16 Lab Flashcards
What is the purpose of the Urinary system?
Rid body of waste products. Can poison organism if not eliminated
How is the urinary system closely associated with the Reproductive system?
- Shared embryonic development
- together termed urogenital system
What are the 6 principle organs of the urinary system?
2 Kidneys and 2 Ureters
Urinary Bladder and Urethra
Where do the kidneys lie?
Against posterior abdominal wall. Level of vertebrae T12 to L3
Which Kidney is slightly lower?
The right kidney
What do the kidney surfaces have?
lateral surface concave and medial surface convex (with slit, hylum; receives blood vessels, nerves, lymphatics and ureter
What is the perirenal fat capsule?
Thick layer of adipose tissue, which cushions kidney and holds it in place
What is the fibrous capsule?
Forms the outer layer of the kidney
What is the kidney Parenchyma?
Glandular, urine-forming tissue. C-Shaped,
What is the outer rind and the inner tissue of the Parenchyma called?
Renal cortex –> Outer rind
Renal medulla –> Inner tissue
The Renal Medulla is divided into cones called ________?
Renal Pyramids
The Pyramid and the overlying cortex make up the _________?
Kidney Lobe
Kidneys receive what percentage of cardiac output?
21%
What are Afferent Arterioles?
Lateral branches of cortical radiate arteries. Each supplies one functional unit of kidney –> nephron
What are the Efferent Arterioles?
How blood leaves the nephron