skeleton
• ribs are often bifurcated or fused
|
rib fusion
(
J:202091
)
• compressed, shortened, sometimes crooked or kinked spine and tail
|
• intervertebral discs are sometimes missing or herniated
|
• cervical, thoracic, lumbar and sacral vertebrae can be compressed, misshapen, and irregularly aligned and misaligned vertebrae are often fused resulting in a crooked spine or tail kink
|
• the vertebral defects result in a compressed, shortened body length
|
limbs/digits/tail
short tail
(
J:202091
)
• homozygotes have a very short tail, approximately a half inch or less, which can be stumpy or kinked
|
hearing/vestibular/ear
N |
• normal hearing by ABR of one homozygote at 39 days of age, one homozygote at 81 days of age, and one homozygote at 4 months of age
|