The parasympathetic supply to otic ganglion comes from: (Repeat)
Ans: C (9th cranial nerve) Ref: Gray Is Anatomy. 40th edition, pg. 495Explanation:Pharyngeal Arches and Their DerivativesArchnumberArch nameEmbryoniccartilageCartilage derivativeMuscleNerveArterylMandibularQuadrateMeckel's* Incus* Malleus* Anterior ligament of malleus* Spine of sphenoid* Sphenomnndibular ligament* Genial tubercle of mandible* Tensor tympani* Muscles of mastication* Mylohyoid* Anterior belly of digastric* Tensor veli palatiniTrigeminal (V) Mandibular division* First aortic arch artery 2HyoidReichert's* Stapes* Styloid process of temporal bone* Stylohyoid ligament* Lesser horn and upper part of body of hyoid bone* Stapedius* Stylohyoid* Facial muscles, including* Buccinator* Platysma* Posterior belly of digastricFacial (VII)* Stapedial artery 3Third * Greater hom and lower part of body of hyoid* StylopharyngeusGlossopharyngeal(IX)* Common carotid artery, first part of internal carotid artery4Fourth * Thyroid cartilage* Comiculate cartilage* Cunieform cartilage* Pharyngeal and extrinsic laryngeal muscles, levator veil palatiniVagus (X)Phary ngeal branch* Proximal part of subclavian artery on the right side* Arch of aorta between origins of left common carotid and left subclavian arteries6Sixth * Arytenoid cartilages* Intrinsic laryngeal musclesVagus (X) recurrent laryngeal branch* Part between the pulmonary trunk and dorsal aorta* Becomes ductus arteriosus on left, disappears on rightThis is a small, oval, flat reddish-grev ganglion situated just below the foramen ovale.It is a peripheral parasympathetic ganglion related topographically to the mandibular nerve, but connected functionally with the glossopharyngeal nerve. (See the following figure)
7th cranial nerve
8th cranial nerve
9th cranial nerve
3rd cranial nerve
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