nounpl. neu·ru·las, or neu·ru·lae
An embryo at an early stage of development in which neurulation begins.
Origin of neurulaNew Latin from Greek neuron sinew, string, nerve ; see (s)neəu- in Indo-European roots.Latin -ula feminine diminutive suffix
From New Latin, diminutive of Ancient Greek Î½Îµá¿¦ÏÎ¿Î½ (neuron, “sinew, tendon, cord").