is a rare inherited disorder causing fused eyelids, limb webbing, organ anomalies.

is a rare inherited disorder causing congenital eye, limb, and urogenital anomalies.

is a rare genetic condition affecting the eyes, kidneys, and genitals.

is a rare genetic condition causing progressive kidney disease and gonadal dysgenesis.

is a rare inherited condition causing mild to moderate learning problems.

is a genetic condition that can affect learning, behavior, and development.

is a rare inherited disorder causing harmful buildup of free sialic acid.

is a rare inherited disorder causing severe problems from sialic acid buildup.

is a rare genetic condition causing distinctive facial features and joint contractures.

is a sex development condition causing infertility in some female cattle twins.

causes sweating and flushing on the cheek while eating.

is a rare genetic condition that affects development and can vary.

is a rare genetic condition affecting tooth development and nail growth.

is a rare inherited disorder that affects movement, balance, and the heart.

is an inherited disorder that damages nerves, movement, and heart health.

is a rare inherited condition causing balance problems and progressive nerve damage.

is a rare hormonal disorder causing obesity and delayed puberty.

is a usually benign brain tumor growing on the brain's outer covering.

is a rare birth defect where brain tissue protrudes through the skull.

is scarring hair loss causing permanent receding hairline and eyebrow loss.

is a seizure disorder that starts in the brain’s frontal lobes.

is a tumor in the brain's frontal lobe affecting thinking and behavior.

is a noncancerous growth in the forehead sinus that may cause symptoms.

is a rare cancer that starts in the air-filled space above the nose.