Primary immunodeficiency disorders (PIDs) are a heterogeneous group of disorders characterized, as the name suggests, by deficiencies (abnormal, poor or absent function) in the immune system. As ...

There is no agreement on how to classify, define or diagnose hip-related pain—a common cause of hip and groin pain in young and middle-aged active adults. This complicates the work of clinicians and ...

Neurotrophic keratitis, also known as neurotrophic keratopathy (NK), is a degenerative disease of the cornea caused by damage to the ophthalmic branch of the trigeminal nerve. A healthy cornea and a ...

Classification of neurons into types enables their reproducible identification across times, laboratories and conditions. Classification also facilitates genetic access for functional studies, as well ...