Research Article

Noninvasive Ultrasound Monitoring of Embryonic and Fetal Development in Chinchilla lanigera to Predict Gestational Age: Preliminary Evaluation of This Species as a Novel Animal Model of Human Pregnancy

Figure 3

HFUS B-mode image of the embryo at embryonic day 46. (a) The head diameter (HD) (4.3 mm) and the body diameter (BD) (3.1 mm) are highlighted (arrows); (b) the neural crest (arrows) is visible.
(a)
(b)