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upper motor neuron for facial nerve from the cortex till the pons where second order neuron originate and is naved (VII)in the picture

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parasympathetic fibers

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Chorda tympani nerve

Anatomy
The supranuclear innervation to the muscles of facial expression arises from the lower third of the contralateral precentral gyrus in the facial area of the motor homunculus. Fibers descend in the corticobulbar tract through the corona radiata, genu of the internal capsule, medial portion of the cerebral peduncles and into the pons, then decussate to converge on the facial nuclei. The portion of the nucleus that innervates the lower half to two-thirds of the face has predominantly contralateral supranuclear control; the portion that innervates the upper third to half has bilateral control. The muscles of the lower face may also receive more abundant cortical innervation than the muscles of the upper face and forehead. The facial nuclei also receive bilateral extrapyramidal,basal ganglia, and possibly hypothalamic, innervation that are concerned with maintaining facial muscle tone and with automatic and emotional movements.

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الكلام الجاى neuroanatomy بحت اللى مبيحبش ال neuroanatomy ما يقرهوش عشان ميصدعش
The facial nucleus is special visceral efferent (SVE), or branchiomotor; it innervates the muscles of the second branchial arch. It lies deep in the tegmentum of the caudal pons, anteromedial to the nucleus of the spinal tract of CN V, anterolateral to the nucleus of CN VI, and posterior to the superior olivary nucleus.
The facial motor nucleus has lateral, intermediate, and medial subnuclei arranged in columns. The subnuclear innervation pattern is not as well worked out as for the oculomotor nucleus, but the lateral subnucleus is thought to innervate the buccinator, the intermediate subnucleus, the muscles of the temporal, orbital and zygomatic branches, and the medial subnucleus, the posterior auricular and cervical muscles and probably the
stapedius.
Axons of the facial nerve arise from the dorsal surface of the nucleus and travel dorsomedially,moving up and around to encircle the abducens nucleus and forming the internal genu of the facial nerve. The internal loop of CN VII fibers around the CN VI nucleus forms the facial colliculus, a bump in the rhomboid fossa in the floor of the fourth ventricle, a prominent landmark for surgeons working in the area. The facial
nucleus is in a somewhat aberrant position more anterolaterally than expected, even considering its branchial arch relationships. In embryonic life the nucleus is more dorsal and medial, near the CN VI nucleus, but with maturation moves to its adult position trailing its axons behind. In their course, the facial nerve axons run in proximity to the nucleus and fibers of CN VI, the pontine paramedian reticular formation, CN V, and CN VIII as

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