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Renal System Histology and Models. Types of kidney stones. Spleen. Adrenal gland Kidney Renal artery Ureter Urinary bladder. Adrenal gland Kidney Ureter Urinary bladder Prostate gland Urethra. Trigone. Prostate gland. Urethra. Adrenal gland Kidney Ureter Urinary bladder
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Spleen • Adrenal gland • Kidney • Renal artery • Ureter • Urinary bladder
Adrenal gland • Kidney • Ureter • Urinary bladder • Prostate gland • Urethra
Trigone Prostate gland Urethra
Adrenal gland • Kidney • Ureter • Urinary bladder • Prostate gland • Urethra
Kidney Regions • The kidney is divided into three REGIONS. • If the question asks you to name the REGION, the answer is one of the below: • CORTEX • MEDULLA • RENAL PELVIS
REGIONS Cortex Medulla Renal Pelvis
Kidney Structures • If the question asks you to name the STRUCTURE, it is one of the below: • Within the cortex, you will find the glomeruli and the proximal and distal convoluted tubules. • Within the medulla you will find the loops of Henle, collecting ducts, the pyramids and the columns (pale area between the pyramids). • Within the renal pelvis you will find the hilus, the major calyxes, which branch into the minor calyxes.
Cortex: Glomerulus Proximal and Distal convoluted tubules Medulla: Loops of Henle Collecting duct Pyramids Columns Renal pelvis Hilus Major calyxes Minor calyxes
Cortex: Glomerulus Proximal and Distal convoluted tubules Medulla: Loops of Henle Collecting duct Pyramids Columns Renal pelvis Hilus Major calyxes Minor calyxes
Adrenal Cortex Adrenal Medulla Renal Cortex Renal Medulla Renal pelvis
Pyramids Hilus Ureter Major calyx Minor calyx
Pyramids Hilus Ureter Calyx
Calyx Pyramids Hilus Kidney stones Ureter
Renal artery Segmental artery Interlobar artery Interlobular artery Arcuate artery
Interlobular artery Interlobar artery Segmental artery Renal artery Arcuate artery
KIDNEY MODEL • Glomerulus • Proximal convoluted tubule • Descending loop of the nephron • Thick segment • Thin segment • Ascending loop of the nephron • Thick segment • Thin segment • Distal convoluted tubule • Collecting duct • Vasa recta
Glomerulus Vasa recta
Distal convoluted tubule • Proximal convoluted tubule • Glomerulus • Descending loop of the Nephron • Ascending loop of the nephron • Collecting duct
Study Tip: To get oriented, always start at the glomerulus and run your finger down the proximal convoluted tubule. When it loops back up and thickens, you are now at the distal convoluted tubule. • Thick segment of the ascending loop of the nephron • Thick segment of the descending loop of the nephron • Thin segment of the ascending loop of the nephron • Thin segment of the descending loop of the nephron
GLOMERULUS Efferent arteriole Afferent arteriole Glomerular capsule Macula densa
vasa recta peritubular capillaries
vasa recta peritubular capillaries
KIDNEY SLIDES • Glomerulus • (simple squamous epithelium) • Convoluted tubules • (simple cuboidal epithelium)
Glomerulus Tubule Skip
Convoluted Tubule Glomerulus
Kidney Convoluted Tubule Glomerulus