Hamburger-Hamilton (HH) Stage 20
(approx. 3 - 3.5 days)

X-Ray Micrographs

stage 20 chick embryo x-ray stage 20 chick embryo x-ray stage 20 chick embryo x-ray stage 20 chick embryo x-ray stage 20 chick embryo x-ray stage 20 chick embryo x-ray

Stereo X-Ray Micrographs

stage 20 chick embryo x-ray stage 20 chick embryo x-ray

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