title: Transmedian innervation of the human upper lip: an embryological study.
mesh_terms: D005333:Fetus / Q000033:anatomy & histology; D005865:Gestational Age; D006801:Humans; D008046:Lip / Q000033:anatomy & histology / Q000196:embryology / Q000294:innervation*; D008442:Maxillary Nerve / Q000196:embryology