Lumbar part of the sympathetic trunk in human fetuses and newborns.
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008161:Lumbosacral Region / Q000196:embryology / Q000294:innervation*; D011247:Pregnancy; D013564:Sympathetic Nervous System / Q000033:anatomy & histology* / Q000196:embryology