From cortico- + medullar.
corticomedullar (not comparable)
- Relating to the cortex and medulla.
2015 May 19, Sandra Habbig, Max Christoph Liebau, “Ciliopathies - from rare inherited cystic kidney diseases to basic cellular function”, in Molecular and Cellular Pediatrics[1], volume 2, →DOI:If present, cysts are typically found at the corticomedullar border.