mortality/aging
• die soon after birth, after breathing several times
|
growth/size/body
• short trunk at P0
|
• smaller at E15.5
|
skeleton
• exhibit a wider unossified area of the metopic suture at P0
|
• exhibit a cavity in the basisphenoid bone
|
• exhibit loss of the retrotympanic process of the squamosal bone
|
• scapula has a hole in the middle or is small at P0
|
• scapula is small or has a hole in the middle at P0
|
• diastasis of the pubic symphysis (unclosed)
|
• exhibit smaller body of the pubis and unclosed symphysis
|
• absence of the 13th ribs
|
• the cell-dense region corresponding to the dorsal vertebral arch is replaced with mesenchymal tissues at E14.5
|
• vertebral bodies show reduced bone formation throughout the rostrocaudal axis at P0
• vertebral bodies show a reduction in the amount of cartilage matrix present in the extracellular space at E14.5
|
• the vertebral arches from the cerival to the sacral regions are largely missing at P0
|
• small hyoid cartilage at P0
|
• small cricoid cartilage at P0
|
• small thyroid cartilage at P0
|
• lack tracheal cartilage at P0
|
• exhibit a significant decrease in the postmitotic mature cartilage cells in vertebral bodies
|
renal/urinary system
• exhibit a minor disorganization of the cortex-medullar arrangement
|
• number of glomeruli is reduced by 56%
|
small kidney
(
J:115338
)
• kidney size is reduced at E14.5, E18.5 and at birth
|
• number of Pax2-positive masses of condensed nephrogenic mesenchymes is reduced at E14.5 and the number of nephrons is reduced at P0
|
limbs/digits/tail
short tail
(
J:115338
)
• short curved tail at P0
|
curly tail
(
J:115338
)
• short curved tail at P0
|
nervous system
exencephaly
(
J:115338
)
• exhibit a low penetrance (7%) of exencephaly at E15.5, showing a large subcutaneous lucent space in the dorsal midline
|
craniofacial
• exhibit a wider unossified area of the metopic suture at P0
|
• exhibit a cavity in the basisphenoid bone
|
• exhibit loss of the retrotympanic process of the squamosal bone
|
• small hyoid cartilage at P0
|
respiratory system
• small cricoid cartilage at P0
|
• small thyroid cartilage at P0
|
• lack tracheal cartilage at P0
|