stylohyoid branch of facial nerve stylohyoid branch of facial nerve in human neuroanatomy of the face, the stylohyoid branch of facial nerve frequently arises in conjunction with the digastric branch; it is long and slender, and enters the stylohyoideus about its middle. stylohyoid branch of facial nerveplan of the facial and intermediate nerves and their communication with other nerves. ("to stylohyoid" labeled at bottom left.)detailsfromfacial nerveidentifierslatinramus stylohyoideus nervi facialista98a14.2.01.106ta26299fma53298anatomical terms of neuroanatomy