alar plate of neural tube

a·lar lam·i·na of neu·ral tube

the posterior (dorsal) division of the lateral walls of the neural tube in the embryo; it gives rise to neurons relaying afferent impulses to higher centers; in the adult such neurons compose the sensory nuclei of the spinal cord and brainstem.

a·lar plate of neu·ral tube

(ā'lăr plāt nūr'ăl tūb)
The dorsal division of the lateral walls of the neural tube.
Synonym(s): alar lamina of neural tube.