(medicine) A neurogenetic disorder characterized by intellectual and developmental delay, sleep disturbance, seizures, jerky movements (especially hand-flapping), and frequent laughter or smiling.

Zellweger syndrome

A rare genetic disorder that affects the cerebellum.

A rare genetic disorder characterized by craniosynostosis.

(medicine) A condition found in the cultures of the Indian subcontinent in which male patients report that they suffer from premature ejaculation or impotence and believe that they are passing semen in their urine.

(medicine) A rare extrapyramidal side effect of antipsychotic drugs, causing perioral tremors.

(psychiatry) A rare mental disorder in which the patient believes he or she is dead (figuratively or literally), does not exist, or has lost parts of the body.

acrodermatitis enteropathica

Fregoli delusion

An autoimmune, hypercoagulable state caused by antibodies against cell-membrane phospholipids, leading to blood clots and pregnancy complications.