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Table 1.

Skeletal changes induced in host embryos that received nasal pit grafts

A. Stage 15 host
 

 

 

 

 
Graft
 
Compound elements
 
Ectopic bone
 
Ectopic cartillage
 
Normal
 
Stage 20 nasal pit (n=14) 
Stage 26 nasal pit (n=15) 
Stage 26 FNM epithelia (n=6) 
Control*(n=9)
 
0
 
0
 
0
 
9
 
B. Stage 20 host
 

 

 

 

 
Graft
 
Ectopic processes on bones
 
Ectopic bone
 
Ectopic cartilage
 
Normal
 
Stage 20 nasal pit (n=12) 
Stage 26 nasal pit (n=24) 22 10 
Stage 26 FNM epithelia (n=15) 15 
Control*(n=15) 15 
A. Stage 15 host
 

 

 

 

 
Graft
 
Compound elements
 
Ectopic bone
 
Ectopic cartillage
 
Normal
 
Stage 20 nasal pit (n=14) 
Stage 26 nasal pit (n=15) 
Stage 26 FNM epithelia (n=6) 
Control*(n=9)
 
0
 
0
 
0
 
9
 
B. Stage 20 host
 

 

 

 

 
Graft
 
Ectopic processes on bones
 
Ectopic bone
 
Ectopic cartilage
 
Normal
 
Stage 20 nasal pit (n=12) 
Stage 26 nasal pit (n=24) 22 10 
Stage 26 FNM epithelia (n=15) 15 
Control*(n=15) 15 

FNM, frontonasal mass.

*

Graft site preparation only.

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