dys- +

1. A branch of science dealing with the study of congenitally deformed fetuses; also teratology.
2. A branch of clinical genetics concerned with the diagnosis and interpretation of patterns of the three types of structural defects: malformation, disruption, and deformation.

1. Preoccupation with the possibility of developing a physical deformity or a delusional conviction that such a deformity has already developed.
2. An abnormal dread of deformity, particularly in others.

1. An irrational fear of being deformed or the illusion that one is deformed.
2. An obsessive fear or, more commonly, delusional conviction that one is physically deformed or otherwise abnormal; sometimes used loosely to refer to any hypochondriacal complaint of delusional intensity.

1. A reference to a mental disorder characterized by a normal person's obsession with an imagined defect in physical appearance; also called muscle dysmorphia, dysmorphophobia, reverse anorexia.
2. Characterized by a fear of being deformed; also called body dysmorphic disorder.
3. Relating to a persistent complaint of a perceived bodily defect that is not noticeable to others; occasionally several parts of the body are involved.

Defective vision, with distortion of the shape of objects perceived.

Malformation.

Improper laying down or breakdown of a myelin sheath of a nerve fiber, caused by abnormal myelin metabolism.

Snowy, wintry.

Anomic aphasia (any disturbance in the comprehension or expression of language due to brain lesion).

A condition in which a patient forgets words or has difficulty finding words for written or oral expressions.

Having impaired (bad) teeth.

1. Painful, difficult, or delayed eruption of teeth.
2. Painful or difficult dentition.
3. Difficulty or irregularity in the eruption of the teeth.

Marriage between persons of markedly different ages.

Defective development of an organism; especially, of an embryo.

1. Defective, or incorrect, vision.
2. Pain in the eyes when looking intently at objects.