The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny, Volumen1D. Appleton, 1903 |
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Términos y frases comunes
allantois amnion Amphibia Amphioxus aorta appears Ascidian Baer Blastula blood-vessels body body-cavity brain Chick chorda cleavage cleavage-cells coalescence cœlom Comparative Anatomy connected cytula Darwin developed dorsal egg-cell egg-cleavage embryo entirely entoderm Epigenesis exoderm fact formation furrow Gastræa Gastrula germ germ-area germ-disc germ-history germ-shield gill-arches gill-openings glands globular heart Heredity higher Vertebrates History of Evolution horn-plate human embryo important individual inner intestinal canal intestinal cavity intestinal germ-vesicle intestinal layer intestinal tube intestinal-fibrous layer intestinal-glandular layer kenogenetic Lamarck Lancelet latter lower mammalian Mammals medullary tube membrane Morula muscles natural naturalist notochord nutritive yelk ontogenetic Ontogeny organs original outer skin palingenetic parent-cell phylogenetic Phylogeny Plate primary germ-layers primitive intestine primitive kidneys primitive vertebral protoplasm rudiment separate sexual simple cell skin-fibrous layer skin-layer skin-sensory layer species sperm-cells spinal tube stage surface Theory of Descent tion ventral side vertebral column vesicle whole Worms yelk-sac zona pellucida