| Alar plate | |
|---|---|
 Diagram to illustrate the alar and basal laminæ of brain vesicles. | |
 aged about four and a half weeks. | |
| Details | |
| Carnegie stage | 13 |
| Precursor | Neural tube |
| Gives rise to | Dorsal gray of thespinal cord, and develops into the sensory nuclei ofcranial nervesV,VII,VIII,IX, andX. Theinferior olivary nucleus,mesencephalic nucleus of V, and main sensory nucleus of V |
| Identifiers | |
| Latin | lamina dorsolateralis, lamina alaris |
| TE | plate_by_E5.14.1.0.1.0.4 E5.14.1.0.1.0.4 |
| Anatomical terminology | |
Thealar plate (oralar lamina) is aneural structure in theembryonic nervous system, part of thedorsal side of theneural tube, that involves the communication ofgeneral somatic andgeneral visceral sensory impulses. Thecaudal part later becomes the sensory axon part of thespinal cord.
The alar plate specifically later on becomes thedorsal gray of thespinal cord, and also develops into the sensory nuclei ofcranial nervesV,VII,VIII,IX, andX. Theinferior olivary nucleus,mesencephalic nucleus of V, and main sensory nucleus of V are also developed from this plate. The cerebellum also develops from the alar plate, particularly from the rhombic lip. This is considered an exception to the general differentiation scheme from the alar plate, as the alar plate generally gives rise to sensory derivatives.[1]
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