庇护
发表于 2025-3-28 14:49:23
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不来
发表于 2025-3-28 19:37:33
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 ..
Aids209
发表于 2025-3-29 02:01:32
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.
BACLE
发表于 2025-3-29 05:10:35
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?).
relieve
发表于 2025-3-29 08:55:42
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
标准
发表于 2025-3-29 11:47:43
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Sad570
发表于 2025-3-29 17:58:55
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perjury
发表于 2025-3-29 21:51:08
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.
CRUDE
发表于 2025-3-30 03:33:15
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沙发
发表于 2025-3-30 04:23:53
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 ..