ANS - Stephens 3/23 Flashcards
What leaves the superior cervical ganglion and forms the internal carotid plexus?
Branches where?
Internal carotid nerve
Carotid siphon
Where is the superior cervical ganglion located?
Where does it receive preganglionic fibers from?
Where does it send postganglionic fibers to?
level of C1-2 on longus capitus m.
T1
C1-C3, CN 9-12, pharynx, carotid body and sinus, internal carotid nerve
As the Internal carotid n. Leaves the SCG and forms the internal carotid plexus, what does the sympathetic branch to the ciliary ganglion terminate as?
Postganglionic sympathetic fibers innervate what?
Short ciliary nerves to the eyeball
Dilator pupilae and tarsal muscles
From the internal carotid plexus, what does the deep petrosal nerve join to form what?
Post-ganglionic Symp fibers innervate what?
Join greater petrosal n. To form the vidian nerve
Palate, nasal cavity, pharynx, orbit, lacrimal gland
The caroticotympanic nerve enters the middle ear cavity and forms part of _____?
Exits as ____?
Post-ganglionic Symp fibers course through what?
Post-ganglionic Symp fibers supply what?
Tympanic plexus
Lesser petrosal nerve
Otic ganglion and auriculotemporal nerve
Parotid gland
Where is the vertebral ganglion located?
C7, anterior to vertebral artery
The Edinger-Westphal nucleus sends PS PRE-Ganglionic fibers to where?
What short root of a nerve do they join before terminating in said location?
POST-ganglionic fibers go where?
Ciliary ganglion
Oculomotor nerve
Ciliary muscles of lens
Sphincter pupillae muscles of lens
The Superior Salvitory nucleus sends PRE-ganglionic fibers where?
Sphenopalatine (pterygopalatine) ganglion
Submandibular ganglion
How do Pre-ganglionic fibers reach the sphenopalatine ganglion?
Submandibular ganglion?
Greater petrosal n. And then vidian n. (CN7)
Chords tympani nerve and then lingual n. (CN7)
POST-ganglionic PS fibers from the sphenopalatine ganglion innervate what?
Lacrimal gland, nasal cavity, nasopharynx, palate, orbit (via zygomatic n.)
POST-ganglionic PS fibers from the submandibular ganglion innervate what?
Submandibular gland
Sublingual salivary gland
The Inferior Salivatory nucleus sends PRE-ganglion PS fibers where?
Where is this located anatomically?
Via what nerve?
Otic ganglion
Medial side of V3
Lesser petrosal n. (Branch of CN 9)
From the Otic ganglion where do POST-ganglionic PS fibers travel to?
Via what?
Parotid gland
Auriculotemporal branches from CN 5
Where does the Dorsal Motor nucleus of X send long, PRE-ganglionic PS fibers to?
Scattered ganglia in the pharynx, larynx, thorax, abdomen
What forms the vidian nerve?
Deep and greater petrosal nerves
