A genetic condition in which a person is born with two X chromosomes and one Y chromosome.

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

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

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.

(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 genetic disorder of the connective tissue that causes defects in the heart valves and aorta.

toxic epidermal necrolysis

An aneuploidy of the sex chromosomes in which a human male receives an extra Y chromosome, giving a total of 47 chromosomes instead of the usual 46; the condition is associated with learning difficulties and above-average height.