is a rare inherited disorder affecting muscles, hearing, and energy production.

is a rare inherited disorder affecting digestion, nerves, muscles, and movement.

is an inherited condition causing hearing loss from mitochondrial gene changes.

is a genetic condition that reduces the body's ability to make energy.

is a genetic mitochondrial disorder that reduces the body's energy production.

is an inherited mitochondrial disorder that reduces cells' ability to make energy.

is a genetic disorder that reduces cells' ability to make energy.

is a group of inherited disorders that reduce the body's energy production.

is a rare inherited disorder affecting how cells make energy.

is a rare genetic disorder affecting how proteins enter mitochondria.

is a rare genetic disorder that disrupts energy production in cells.

is a rare genetic disorder affecting how mitochondria transport key molecules.

is a rare fat breakdown disorder causing energy crises and organ problems.

is a genetic disorder that impairs cells' energy production and function.

is a genetic mitochondrial disorder that can affect energy production and organs.

is a rare birth defect where the mitral valve never forms properly.

is a rare birth defect where the mitral heart valve is absent.

affects the heart valve between the left upper and lower chambers.

is a common heart valve condition where flaps bulge backward, sometimes leak.

is a narrowing of the heart's mitral valve that restricts blood flow.

is a rare brain or spinal cord tumor with mixed cell types.

is a rare brain tumor with features of several supportive brain cells.

is a rare immune disorder causing inflammation and autoimmune symptoms.

is a usually noncancerous gland tumor with more than one cell type.