ACHONDROPLASIA: dwarfism, or abnormally shortened and bent leg bones. Duh!

CERVICAL VERTEBRAL INSTABILITY: Other names include CVI, wobbler syndrome, and spondylomyelopathy. Unstable vertebrae in lower neck; weakness and ataxia; may lead to paralysis; in Basset Hounds, usually at C2-C3.

DERMOLD: Other name include corneal dermoid cyst. Congenital cyst on cornea; contains skin, glands, and hair.

ENOSTOSIS: Also known as juvenile osteomyelities, panostitis, or "pano." Acute, shifting lameness of large, growing dogs; deep bone pain, self-limiting.

EPILEPSY: recurrent seizures with onset at 1 to 3 years; some epilepsy is not heraditary.

GASTRIC TORSION: Also known as GDV, bloat, torsion, and twisted stomach. The stomach rotates on long axis, causing shock and death. Deep-chested breeds such as the Basset are more susceptible to it than are other breeds.

PRIMARY GLAUCOMA: Increased fluid pressure in globe leads to pain, eye destruction, and blindness. Autosomal recessive.

LENS LUXATION: lens slips out of position, leading to secondary glaucoma. Autosomal recessive.

OSTEOCHONDRITIS DESSICANS: Otherwise known as OCD. Growth disorder of joints; cartilage death, pain, and lameness; may occur in many joints. Polygenic inheritance plus nutritional factors.

PATELLAR LUXATION: Poor structures that hold the kneecap in place, one or both; starts at four to six months; usually lateral in Basset Hounds. Polygenic inheritance pattern.

RETINAL ATROPHY, GENERALIZED PROGRESSIVE: Commonly known as general PRA. Retina degenerates; first night blindness, then total blindness before middle age. Uncommon in Basset Hounds, but a few cases have been reported.

THROMBOPATHIA: Bleeding disorder in which platelets lack proper function. Autosomnal dominant, incomplete expression.

UNUNITED ANCONEAL PROCESS: Elbow dysplasia. Growth plate in elbow doesn't fuse; secondary degenerative joint disease; pain and limp; surgical correction required.

VON WILLEBRAD'S DISEASE: Also known as pseudohemophilia. Bleeding syndrome with several abnormal factors. Autosomnal dominant, variable expression.