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Figure 7. Photomicrographs of transverse sections through the brain of Xenopus at stage 57. a: Rostral aspect of the ventromedial telencephalon. b: Caudal portion of the ventrolateral telencephalon. c: Retina. d: Oculomotor nuclei (arrows point to ventromedially located neurons in the ventral commissure). e: Isthmic region. f: Rhombencephalon at the level of the facial motor nucleus (asterisk indicates the weakly labeled cell group located dorsomedially to the facial motor nucleus). g: Rhombencephalon at the level of the facial motor nucleus showing the Mauthner cell. h: Rhombencephalon at the level of the vagal motor nucleus. i: Ventral aspect of the spinal cord showing lateral and medial motoneurons. j: Thoracic spinal cord. For abbreviations , see list. Scale bar in j = 100 μm in a,b,d,f–j, 50 μm in c, 200 μm in e. |
