dys-

1. A neural tube defect consisting of defective development of part of the spinal cord.
2. An abnormality in development of the spinal cord; especially, the lower part of the cord.

Congenital maldevelopment of the spinal cord and spinal nerve roots.

Muscular dystrophy.

1. Dystrophic changes (disorders arising from defective or faulty nutrition) in the nails occurring as a congenital (birth) defect or due to any illness or injury that may cause a malformed nail.
2. Any distortion of a nail; a symptom seen in several diseases.

1. A deep-seated and abnormal dislike of certain odors.
2. Intolerance of certain odors.

Any disorder of cartilage and bone growth.

A generalized skeletal dysplasia with prominent forehead and small mandible.

Radiographically, there are irregular ribbonlike constrictions of the ribs and tubular bones.

Defective formation of bone; common in dogs with chronic nephritis.

Defective bone development.

A diarrheal illness resembling mild dysentery.

An intolerance to light; photophobia.

Any degenerative disease of gray matter in the central nervous system.

Referring to the wasting of the gray matter of the nervous system.

1. Wasting of the gray matter of the nervous system.
2. Any degenerative disease of gray matter in the central nervous system.