Medial floor plate

Medial floor plate. The medial floor plate is a structure located in the ventral midline of the neural tube above the notochord. 

B. R., and Kimmel, C.B. (2002) The zebrafish T-box genes no tail and spadetail are required for development of trunk and tail mesoderm and medial floor plate. Development, 129, 3311-3323. 

Fig. 1. A and D Ectopic transplantation of notochord (ect Not med asterisks) medially between neural tube and paraxial mesoderm A dorsal view, anterior to the top D cross section, dorsal to the top the axial level of the section is indicated in A. The operation has been performed at the level of the anterior segmental plate after 24h reincubation, the embryo was stained for the expression of the sclerotome marker Paxl (gray), the myotome marker MyoD (black), and the notochord—floor plate marker Shh (black). Note the ectopic notochord induced ectopic expression of Paxl and MyoD (arrowheads).

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