FAST REVISION
Physiology
The osmolarity of the tubular fluid leaving the ascending limb of the loop of Henle is 100mOsm/L, as it is impermeable to water and reabsorbs solutes.
Periodontics
Ideal requisites of a barrier membrane include cell occlusivity, tissue compatibility, and space making.
Oral Pathology
Letterer-Siwe disease is a type of Langerhans cell histiocytosis that is associated with disturbances in lipid metabolism.
Letterer-Siwe disease is a form of Langerhans cell histiocytosis (LCH)