(medicine) An endocrine disorder caused by high levels of cortisol in the blood.

An autoimmune disorder in which immune cells attack and destroy the exocrine glands that produce tears and saliva.

(medicine) A rare congenital disorder characterized by the reduction or absence of peroxisomes in the cells of the liver, kidneys, and brain and the inability to beta-oxidize very-long-chain fatty acids.

A nontraumatic subluxation of the atlantoaxial joint caused by inflammation of the adjacent tissues.

(medicine, medical genetics) A particular genetic condition, caused by partially or completely missing an X chromosome (monosomy), that leads to sterility and other issues.

(medicine, informal) A hypertensive crisis caused by the ingestion of foods high in tyramine (such as some cheeses) while the monoamine metabolism is compromised by the use of monoamine oxidase inhibitors.

A psychiatric disorder in which a person feigns illness or psychological trauma in order to garner attention or sympathy.

(idiomatic, nuclear physics, uncountable) A hypothetical kind of catastrophic failure in which a nuclear reactor melts through the floor of its containment system and penetrates the Earth's surface, continuing downward as if (from a Western Hemispheric point of view) traveling through the planet toward China.

(medicine, neurology) A rare, severe physical disorder in which a person cannot speak and is paralyzed—with the possible exception of some voluntary eye movement—while their mental faculties remain fully intact.

(medicine) Either of nevoid basal cell carcinoma syndrome and focal dermal hypoplasia.