Skeletal Poster Embryonic Development Comparison Diagram

Biological diagram infographic titled "Embryonic Development Comparison" centered on a clean labeled comparison diagram of two vertebrate embryos shown side-by-side in matched developmental form, educational scientific comparison for university undergraduate audience, with 9 labeled parts arranged around the central diagram using thin leader lines. Show an editorial-grade comparative embryology plate in tasteful scientific style: left embryo as human embryo, right embryo as chick embryo, both in similar early developmental stage and proportionally accurate, highlighting homologous embryonic structures. Include these exact English labels and one-line captions: "Neural tube" — "Forms the brain and spinal cord."; "Somites" — "Segment into muscle, vertebrae, and dermis precursors."; "Pharyngeal arches" — "Contribute to the face, neck, and throat structures."; "Heart bulge" — "Represents the early developing heart tube."; "Limb bud" — "Begins formation of the forelimbs or wings."; "Optic vesicle" — "Develops into major structures of the eye."; "Tail bud" — "Marks the posterior growth region of the embryo."; "Yolk sac" — "Provides early nutrient support outside the embryo."; "Amnion" — "Encloses and protects the embryo in fluid." Place each label with a short heading and one-line function caption, sharp readable typography, balanced spacing, and precise leader lines pointing to the correct homologous structure on one or both embryos. Add subtle comparative cues such as "Human embryo" and "Chick embryo" beneath each specimen if needed, with no extra dense paragraphs. Visual style: colorful kids-book merged with scientific textbook discipline, cool clinical blues palette with teal, cyan, soft navy, and pale ice-blue accents, gentle contrast, friendly but accurate mood. Include a minimal legend for homologous comparison using simple color coding, soft background grid or poster layout, medical-textbook clarity, editorial scientific illustration, vector-clean lines, no photographic textures. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no graphic gore, no real patient photos, no watermarks No graphic medical gore, no real patient photographs, no surgical blood. For human anatomy, keep illustrations educationally tasteful. For animal anatomy, no cruelty imagery. Scientifically accurate labeling and proportions.