|Diagram to illustrate the alar and basal laminæ of brain vesicles.|
|aged about four and a half weeks.|
|Gray's||subject #184 735|
The alar plate (or alar lamina) is a neural structure in the embryonic nervous system, part of the dorsal side of neural tube, that involves the communication of general somatic and general visceral sensory impulses. It later becomes a sensory region and part of the spinal cord.