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CHAPTER 16 - URINARY SYSTEM
Histology Guide
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MICROGRAPH

NAME
EM 228 Kidney Blood Vessels
TISSUE
Rhesus Kidney
IMAGE SIZE
9,520 x 8,000 pixels
218 MB
FILE SIZES
45,617 KB (grayscale)
49,404 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
57.25 nm
SOURCE
Stanley L. Erlandsen
Department of Genetics, Cell Biology and Development
School of Medicine
University of Minnesota
Minneapolis, MN

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University of Minnesota
Department of Genetics, Cell Biology and Development
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EM 228 Kidney

Renal Cortex

The three dimensional structure of blood vessels in tissues can be investigated by producing a vascular cast. The blood vessels are perfused with resin, allowed to harden, and the surrounding tissue is then dissolved. The vascular cast is then examined by scanning electron microscopy.

This vascular cast from the renal cortex shows the blood supply to renal corpuscles and the peritubular capillaries.

  • (red) - branches supply blood to renal corpuscles
  • (yellow) - blood enters the through the afferent arteriole, passes through loops of fenestrated capillaries (tuft), and then exits through the efferent arteriole
  • (blue) - blood that exits a glomerulus flows through a network of capillaries around renal tubules in the cortex
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