Myelination of the hypoglossal nerve in human fetuses of 137 and 220 mm crown-rump length.
D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D007002:Hypoglossal Nerve / Q000196:embryology* / Q000648:ultrastructure; D008854:Microscopy, Electron; D009186:Myelin Sheath / Q000648:ultrastructure*; D011247:Pregnancy