Memoirs of the Wistar Institute of Anatomy and Biology. v. 3-7, 1914-15, Volumes 3-71914 |
Termos e frases comuns
AGE IN DAYS albino rat Anat angioblast anlage appearance arise artery blastodermic vesicle blood cells blood corpuscles blood islands body length body weight brain weight cardino-Cuvierian caudal end cent chromatophores circulation coelom differentiation Donaldson ectoderm ectoplacental cone efferent aortic arch egg-cylinder endothelium erythroblasts erythrocytes extraembryonic ectoderm formation formula Fundulus germ layers grams Hatai heart independent anlagen injected intermediate cell mass lateral pharyngeal lymphatic layer litter lumen lymphatic system MALES FEMALES medial pharyngeal mesenchymal cells mesoderm mesometrial Norway rat nuclei observed origin otocyst oviduct ovum parietal periblast phatic pigment cells precardinal vein present primary embryonic ectoderm proamniotic cavity rainbow trout red blood region segmentation cavity sexes Sobotta somites spaces spinal cord stage of development subocular lymph sacs Teleosts tion tissue trout embryo uterine horn uterus vascular endothelium ventral vessels wall wandering cells yolk yolk-sac
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Página 200 - Brain 88.2 86.9 85.3 84.5 82.8 81.5 80.9 79.2 79.3 Spinal cord 87.0 83.3 82.5 81.0 79.4 77.8 76.7 74.3 74.0 TABLE 89 Giving the percentage of water in the brain and spinal cord of the Norway rat according to body weight (sexes conbined). Based on Donaldson and
Página 22 - It turned out in my experiments that the heterogeneous hybrids between bony fishes formed eyes, brains, ears, fins and pulsating hearts, blood and blood vessels, but could live only a limited time because no blood circulation was established at all—in spite of the fact that the heart beat for weeks—or that the circulation, if it was established at all, did not last long.
Página 20 - Bewegungen und oft ausserordentlich langer protoplasmatischer Fortsätze sich im Körper des Embryo und auf dem nicht mit Hypoblast umkleideten Dotter bewegen und nach bestimmten Stellen kriechen, als handelten sie mit Wille und Bewusstsein. Bei der Anlage und weiteren Ausbildung des Herzens, so wie bei der Bildung der Gefässe und andrer Organe spielt diese selbständige Bewegung der Mesoblastzellen eine grosse Rolle.