Histology: Urinary Tract I Flashcards
Where is the general location of the kidneys?
Retroperitoneum,
Thoracic vertebra 12 - Lumbar vertebra 3
What is the difference in the male and female urethra?
Males have a longer urethra
What are the phases of kidney development?
- the pronephros (most immature)
- mesonephros
- metanephros (most developed) which persists as the definitive adult kidney
What is the movement of the kidneys during development?
Descends from the cervical region to the cloaca and ascends to final position
What is at the tip of the medullary pyramid?
Papillae
What is the main blood supply of the kidneys?
Renal Artery
What are the small arteries the supply the medullary pyramid?
Interlobar Arteries - gives of arcuate arteries
What vessel group gives off the vasa recta?
Juxtamedullary glomerulus
What section of the kidney gets most of the blood?
The cortex
What section of the kidney is most susceptible to ischemia?
Medulla
What arises from interlobular arteries?
Afferent arteriole
What arises from glomerular capillaries?
Efferent arteriole
What part of the kidney receives 90% of the blood flow?
Renal Cortex
What is the order of the vasculature from the kidney to the aorta?
- Renal Artery
- Interlobar Artery
- Arcuate Arteries
- Interlobular Arteries
- Afferent Arterioles
- Glomerular Capillaries
- Efferent Arterioles
- Peritubular Capillary Network
