Table 2.

Morphometric analysis of methimazole-treated embryos

Morphological character	Mean value ± 1 SD
	Control	Meth	Meth/T3
Snout–upper jaw*	0.3  ± 0.1	0.6  ± 0.1	0.4  ± 0.1
Lower jaw–suture*	2.5  ± 0.2	2.0  ± 0.2	2.3  ± 0.2
Calf†	2.7  ± 0.2	2.2  ± 0.2	2.7  ± 0.2
Thigh†	2.8  ± 0.2	2.0  ± 0.1	2.4  ± 0.1
Tail	3.2  ± 2.2	5.6  ± 0.5	2.5  ± 0.8
Ventral width	2.8  ± 0.2	3.5  ± 0.2	2.9  ± 0.2

Statistically significant differences (P < 0.05) between means of different groups within a row are indicated by bold font. Meth, methimazole-treated; Meth/T₃, methimazole/T₃ cotreatment. 

*Measurement points indicated on Fig. 3D. 

^†Length:width ratios; all other values are in millimeters.