Sturge Weber syndrome Sturge-Weber syndrome is a rare disorder that affects the development of certain blood vessels, causing abnormalities in the brain, skin, and eyes

Neural tube defects Neural tube defects are serious birth defects that occur in the development of the brain and spinal cord of some babies. The

Stiff Person syndrome Stiff-Person syndrome (SPS) is an extremely rare progressive neurological disorder with features of an autoimmune disease, that affects the nervous system, specifically

What is aseptic meningitis Aseptic meningitis describes a clinical syndrome characterized by serous inflammation of the linings of the brain (i.e., meninges) not caused by

What is beta 2 microglobulin Beta-2 microglobulin is a low-molecular-weight protein that forms the heavy chains component of class I histocompatibility (HLA: human leukocyte antigen)

What is beta hydroxybutyrate Beta-hydroxybutyrate (β-hydroxybutyrate or β-hydroxybutyric acid) is 1 of 3 sources of ketone bodies (acetoacetate, beta-hydroxybutyrate, and acetone). Beta-hydroxybutyrate (β-hydroxybutyrate) relative proportion in

Kidney stones Kidney stones also called renal calculi or nephroliths, are hard, solid lumps that form in your kidney. You may hear doctors call kidney

Kidney Stone Kidney stones are hard, pebble-like pieces of material that form in one or both of your kidneys when high levels of certain minerals

What is asterixis Asterixis is a medical term for negative myoclonus, which is a clinical sign that describes the inability to maintain sustained posture with

Genitourinary syndrome of menopause Genitourinary syndrome of menopause or GSM previously known as vaginal atrophy, vulvovaginal atrophy, atrophic vaginitis or urogenital atrophy, is a chronic, progressive vulvovaginal,