عصب وجهي

العصب الوجهي
ملف:Cranial nerve VII.svg
العصب القحفي السابع
ملف:Gray790.png
أعصاب فروة الرأس، الوجه و العنق.
الاسم اللاتيني	nervus facialis
Gray's	subject #202 901
MeSH	Facial+Nerve
Dorlands / Elsevier	n_05/12565770

ملف:Brain human normal inferior view-Cranial nerves in Arabic .png

الأعصاب القحفية

الأعصاب القحفية
CN 0 - الصفري ‏‏
CN I - الشمي
CN II - البصري
CN III - المحرك للعين
CN IV - البَكَري
CN V - ثلاثي التوائم
CN VI - المبعِّد
CN VII - الوجهي
CN VIII - الدهليزي القوقعي ‏‏
CN IX - البلعومي اللساني ‏‏
CN X - المبهم
CN XI - اللاحق (الإضافي)
CN XII - تحت اللساني

العصب الوجهي(بالإنجليزية: Facial nerve) أو العصب السابع (بالإنجليزية: Seventh nerve) هو أحد الأعصاب قحفية المزدوجة الإثناعشر. و يتحكم في العضلات الخاصة بتعابير الوجه و ثلثي الجزء الداخلي من اللسان المتعلق بعملية التذوق.

الدورة الداخلية

الفروع

داخل القناة الوجهية

• Greater petrosal nerve - provides parasympathetic innervation to lacrimal gland, as well as special taste sensory fibers to the palate via the Vidian nerve.
• Nerve to stapedius - provides motor innervation for stapedius muscle in middle ear
• Chorda tympani - provides parasympathetic innervation to submandibular gland and sublingual gland and special sensory taste fibers for the anterior 2/3 of the tongue.

خارج الجمجمة

• Posterior auricular nerve - controls movements of some of the scalp muscles around the ear
• Branch to Posterior belly of Digastric and Stylohyoid muscle
• Five major facial branches (in parotid gland) - from top to bottom:
  • Temporal branch of the facial nerve
  • Zygomatic branch of the facial nerve
  • Buccal branch of the facial nerve
  • Marginal mandibular branch of the facial nerve
  • Cervical branch of the facial nerve

The Zebra Bought My Car

صور إضافية

• Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries.
  Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries.
• Dura mater and its processes exposed by removing part of the right half of the skull, and the brain.
  Dura mater and its processes exposed by removing part of the right half of the skull, and the brain.
• Superficial dissection of brain-stem. Ventral view.
  Superficial dissection of brain-stem. Ventral view.
• Hind- and mid-brains; postero-lateral view.
  Hind- and mid-brains; postero-lateral view.
• The sphenopalatine ganglion and its branches.
  The sphenopalatine ganglion and its branches.
• Mandibular division of the trifacial nerve.
  Mandibular division of the trifacial nerve.
• Mandibular division of trifacial nerve, seen from the middle line.
  Mandibular division of trifacial nerve, seen from the middle line.
• Plan of the facial and intermediate nerves and their communication with other nerves.
  Plan of the facial and intermediate nerves and their communication with other nerves.
• The course and connections of the facial nerve in the temporal bone.
  The course and connections of the facial nerve in the temporal bone.
• Upper part of medulla spinalis and hind- and mid-brains; posterior aspect, exposed in situ.
  Upper part of medulla spinalis and hind- and mid-brains; posterior aspect, exposed in situ.
• View of the inner wall of the tympanum (enlarged.)
  View of the inner wall of the tympanum (enlarged.)
• The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above.
  The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above.
• Position of the right bony labyrinth of the ear in the skull, viewed from above.
  Position of the right bony labyrinth of the ear in the skull, viewed from above.
• Left temporal bone showing surface markings for the tympanic antrum (red), transverse sinus (blue), and facial nerve (yellow).
  Left temporal bone showing surface markings for the tympanic antrum (red), transverse sinus (blue), and facial nerve (yellow).
• Side of neck, showing chief surface markings.
  Side of neck, showing chief surface markings.
• Head facial nerve branches
  Head facial nerve branches

وصلات خارجية

• موقع العصب الوجهي على صورة أشعة مغنطيسية
• WUSTL - map

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