Table 1.
Location of retrogradely labelled neurons in brainstem nuclei of the fetal sheep at G140 and G55.
| Nucleus | Gestational Age | |
| G140 | G55 | |
| "cap" around the icp |  |
 |
| Ambiguus nucleus | |
|
| Cells within pyramidal tract | |
|
| Cuneate nucleus | |
|
| Deep mesencephalic nucleus | |
|
| Dorsal paragigantocellular reticular nucleus | |
|
| Dorsal raphe nucleus | |
|
| Edinger-Westphal nucleus | |
|
| External cuneate nucleus | |
|
| Gigantocellular reticular nucleus | |
|
| Gracile nucleus | |
|
| Gray matter of dorsal horn | |
|
| Gray matter of ventral horn | |
|
| Intermediolateral gray | |
|
| Interstitial nucleus of the mlf | |
|
| Kölliker-Fuse nucleus | |
|
| Labelling along border edge of cuneate nucleus | |
|
| Labelling around the superior olivary complex | |
|
| Lateral reticular nucleus | |
|
| Locus coeruleus | |
|
| Medullary reticular formation (dorsal) | |
|
| Medullary reticular formation (ventral) | |
|
| Nucleus of Darkschewitsch | |
|
| Nucleus of the solitary tract | |
|
| Nucleus of the trapezoid body | |
|
| Parabrachial nucleus | |
|
| Paramedian reticular nucleus | |
|
| Parvocellular reticular nucleus | |
|
| Pontine reticular nucleus (caudal) | |
|
| Oral pontine reticular nucleus | |
|
| Raphe magnus nucleus | |
|
| Raphe obscurus nucleus | |
|
| Raphe pallidus nucleus | |
|
| Red nucleus | |
|
| Spinal trigeminal nucleus | |
|
| Subcoeruleus | |
|
| Superior collicular nucleus | |
|
| Vestibular nucleus | |
|
= supraspinal projections within the nucleus. = no neurons within the nuclei contain supraspinal projections.