They studied 2,234 synapses between cortical nerve cells of a type called pyramidal neurons, which have thousands of synapses each.

他们研究了2234个皮质神经细胞之间的突触，这种突触被称为锥体神经元，每个锥体神经元有数千个突触。

To carry out their search for filopodia, the trio used a sensitive microscopy technique called eMAP.They studied 2,234 synapses between cortical nerve cells of a type called pyramidal neurons (pictured), which have thousands of synapses each.

为了寻找丝状伪足，三人使用了一种称为 eMAP 的灵敏显微镜技术。 他们研究了一种称为锥体神经元（如图）的皮质神经细胞之间的 2, 234 个突触， 每个神经元都有数千个突触。