Will L A, Meller S M
J Morphol. 1981 Aug;169(2):185-90. doi: 10.1002/jmor.1051690205.
Seventy-nine chick embryos were examined by light microscopy and scanning electron microscopy to determine the mechanism of primary palatal development. Fusion between two discrete processes, the medial nasal and maxillary prominences, was found to be necessary for formation of a complete primary palate. This was one component of a three-stage process that included: (1) invagination of the nasal pit prior to the appearance of the facial prominences; (2) fusion between the medial nasal and maxillary processes caudal to the nasal groove; (3) rupture of the bucconasal membrane. The lateral nasal and maxillary prominences were found to be part of the same tissue mass. Mergence was proposed as a mechanism for the obliteration of the groove between these two localized prominences. These results were compared with those obtained by other authors for primary palate formation in rodents and man.
通过光学显微镜和扫描电子显微镜对79个鸡胚进行检查，以确定原发腭发育的机制。发现两个独立的突起，即内侧鼻突和上颌突之间的融合，是形成完整原发腭所必需的。这是一个三阶段过程的一个组成部分，该过程包括：(1) 在面部突起出现之前鼻窝的内陷；(2) 鼻沟尾侧的内侧鼻突和上颌突之间的融合；(3) 口鼻膜的破裂。外侧鼻突和上颌突被发现是同一组织块的一部分。提出合并是这两个局部突起之间沟消失的一种机制。将这些结果与其他作者在啮齿动物和人类中关于原发腭形成的结果进行了比较。
