Titlebook: Embryology; Robert E. Coalson Book 19871st edition Springer-Verlag New York Inc. 1987 development.embryo.embryology.nervous system

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Diaphragm and Body Cavities,: Isolated spaces appearing in the embryonic mesoderm lateral to the developing notochord and paraxial mesoderm represent the first indication of . formation. Extension and coalescence of these spaces divide the lateral plate mesoderm into . and ..

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Respiratory System,The development of the respiratory system is closely associated with the development of the face and upper portion of the digestive system (stomodeum and foregut). The respiratory system begins at the nares and includes the paired nasal cavities, nasopharynx, oropharynx, larynx, trachea, bronchi and lungs.

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Urogenital System,The urinary system develops from the . (nephrotome) connecting the segmented and nonsegmented (lateral plate) mesoderm. The genital system (gonads and genital ducts) also develop from intermediate mesoderm but the . originate in and migrate from the yolk sac (endoderm?).

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Mit Selbstcoaching zum Traumjobhromosomes. When the chromosomes of dividing cells are karyotyped, it can be determined that, with one exception (in males), they occur in pairs which are morphologically identical, i.e., homologous. One member of each . is of maternal origin, the other, its homologue, is of paternal origin. The num

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https://doi.org/10.1007/978-3-8348-8618-7sum) containing the well-developed uterine glands loses its identity as secretory activity declines. The stratum basale does not undergo cyclical changes and remains intact after menstrual slough and/or parturition to regenerate the superficial layers, i.e., the stratum functionalis.

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https://doi.org/10.1007/978-3-658-38044-1n of the inner cell mass appears to be arranged in the form of two epithelial cell layers which are referred to as . (epiblast) and . (hypoblast); this circular, double layered portion of the inner cell mass is the ..