Kidney Cortex Medulla Histology. The medulla can be identified by the linearity of the tubules traversing it and by its lack of renal corpuscles. This arrangement creates two sets of arcuate arteries between adjacent pyramids with each of the sets running between the septa of bertin and the medullary tissue in the pyramids.
Medulla the medulla is composed of the straight portions of the proximal and distal tubules the thin limbs of the loops of henle and collecting tubules including the ducts of bellini. Renal medulla histology kidney. You may be wondering why the epithelium lining some of these tubules look taller and why acidophilic material is present in the lumen of these tubules.
And an internal por tion or medulla the latter terminating internally in a number of apices known as papilla.
The transition to the straight segment marks the cortex medulla line. Cortex medulla pyramids triangular areas of renal tissue. Renal medulla histology kidney. Histological features and microscopic anatomy of kidney cortex.