The origin of the otic and optic primordia in man
The origin of the otic and optic primordia in man
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人类耳和视原基的起源
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通讯作者：
Wallin
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作者：
G. W. Bartelmez;‘Pfst. 111’ Normentafel;Carnegie Coll;Dandy;New York.;Univ Coll.;Wallin
人类和大多数其他哺乳动物的神经系统的早期历史尚不完全清楚。在整个秩序中，只有一项关于颅神经节起源的详细研究。关于人类发展这一阶段的数据大部分都包含在对单个样本的描述中；由于缺乏人类系列以及忽视其他形式的比较材料，它们数量很少且不完整，并且由于错误的解释而受到损害。我们在这里将注意力限制在耳和视原基上，尽管在该系列的各种胚胎中对它们的识别部分基于我们对神经系统主要细分的解释。该证据将在后续论文中提出。
The early history of the nervous system in man and in the great majority of other mammals is but imperfectly known. In the whole order there is only a, single detailed study of the origin of the cranial ganglia. The data on this phase of human development are for the most part included in descriptions of single specimens; they are few and incomplete and marred by faulty interpretations due to the lack of a human series and neglect of comparative material from other forms. We shall here confine our attention to the otic and optic primordia, although the identification of them in the various embryos of the series is based in part upon our interpretation of the primary subdivisions of the nervous system. This evidence will be presented in a subsequent paper.