Hamburger-Hamilton (HH) Stage 21
(approx. 3.5 days)



X-Ray Micrographs

stage 21 chick embryo x-ray stage 21 chick embryo x-ray stage 21 chick embryo x-ray stage 21 chick embryo x-ray stage 21 chick embryo x-ray stage 21 chick embryo x-ray

Stereo X-Ray Micrographs

stage 21 chick embryo x-ray stage 21 chick embryo x-ray

© 2026. 

Chick Embryo Microangiography by Brad Smith is licensed under CC BY-NC-SA 4.0