Preferred Label : ascending limb of loop of Henle;
Uberon definition : The distal part of the loop of Henle that is impermeable to water and actively pumps
sodium out of the filtrate to generate the hypertonic interstitium that drives countercurrent
exchange; it consists of an initial very thin segment lined by simple squamous epithelium
followed by a distal thick segment lined by simple cuboidal epithelium[MP].;
Uberon synonym : loop of Henle ascending limb; ascending limb of Henle's loop;
The distal part of the loop of Henle that is impermeable to water and actively pumps
sodium out of the filtrate to generate the hypertonic interstitium that drives countercurrent
exchange; it consists of an initial very thin segment lined by simple squamous epithelium
followed by a distal thick segment lined by simple cuboidal epithelium[MP].