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Fig. 5 (Left). Nrxn III α is expressed in a subset of neural cells. (A,B) In
situ hybridisation with an α-nrxn III-specific probe identifies a row of
primary neurons at stage 24 (A), that lies either side of the midline towards
the anterior end of the embryo. (C) By the tailbud stage, expression
resolves into two stripes either side of the midline (red and green arrows).
Those arrowed in red are located in the position expected for primary
interneurons. The second band is located more ventrally. Within the head there are discrete areas of expression (yellow arrows). (D,E) Transverse
sections at the level of the hindbrain (D) and anterior spinal cord (E). nrxnIIIα expression (red arrows) is restricted to the lateral neural tube. |
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nrxn3 (neurexin 3) gene expression in Xenopus laevis embryo as assayed by in situ hybridization, NF stage 32. Lateral view: Dorsal up, anterior left. |
