A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.

Protrusion of the contents of the abdominal cavity through the inguinal canal.

Displacement of the femur from its normal location in the hip joint.

Lack of stability of a joint.

A cataract is an opacity or clouding that develops in the crystalline lens of the eye or in its capsule.

A condition in which the skin can be stretched beyond normal, and then returns to its initial position.

An abnormally increased extension of the knee joint, so that the knee can bend backwards.

A decreased magnitude of the sensory perception of sound.

Bizygomatic (upper face) and bigonial (lower face) width are both more than 2 standard deviations below the mean (objective); or, an apparent reduction in the width of the upper and lower face (subjective).

A developmental anomaly characterized by abnormal smallness of both eyes.

Thin (atrophic) and wide scars.

Reduction in the vertical distance between the upper and lower eyelids.

Subnormal intellectual functioning which originates during the developmental period. Intellectual disability, previously referred to as mental retardation, has been defined as an IQ score below 70.