Fig. 7

Application to amniotic embryos. a Stage-18 chick embryos (opposite side view of Fig. 5A(b)) utilized for bead inoculation in this study. (b) Sketches of Haeckel’s pharyngula-stage chick embryo (Richardson 1995). Illustrations of (c) a penguin, (d) hummingbird, (e) chameleon, and (f) turtle. (g) The abdomen of small mammals (e.g., mice and rats) can be robotically opened, and then probes can be inoculated into the head region of embryos in utero by “Spemann”. (h) An illustration of a mouse whose brain has multiple probes. All animals (c–f, h) are wearing a blue helmet representing a NIR transmitter, as in Fig. 1(b) and Fig. 2A(a)