Cranial Autonomics Flashcards
All sympathetic fibers are ____ arising from the _____ ganglion of the sympathetic trunk. They travel on ____ to structures that they innervate. The _____ nerve is a named sympathetic nerve important
Postganglionic
Superior cervical
Vessels
Deep petrosal
Preganglionic parasympathetic fibers arise from ____ in the brain stem and synapse at four ganglia in the head called what?
These ganglia are all associated with a branch of the ____ nerve.
Nuclei
Ciliary, pterygopalatine, otic, submandibular
Trigeminal
______ injuries can result from a stroke in the brainstem, injury to the carotid A, tumor in the upper lobe of the lung, migraines, cluster HA, neck trauma, neck surgery, tumor in brainstem or tumor in hypothalamus.
These all cause ____ Syndrome.
Sympathetic nerve fiber
Horner’s syndrome
What are six symptoms of Horner’s syndrome?
Persistently small pupil (miosis)
Difference in pupil size between the two eyes (anisocoria)
Delayed dilation of affected pupil
Drooping of upper eyelid (ptosis)
Slight elevation in lower eyelid
Little or no sweating (anhidrosis) on face
The somatic motor component of the oculomotor N comes form the ____ nucleus. It’s fx is to innervate what five muscles?
The parasympathetic motor component of the oculomotor N comes from the ____ nucleus. What muscles does this innervate?
Oculomotor nucleus
Levator palpebrae superioris, superior rectus, medial rectus, inferior rectus, inferior oblique
Edinger-Westphal nucleus
Constrictor pupilae and ciliary muscles
What is the GSA component?
Fibers convey impulses from the ___ and ____.
CN?
General somatic afferent (somatic/general sensation)
Skin; skeletal muscle spindles
CN V1, V2, VII, IX, X
What is the GVA component?
Fibers convey impulses from ____ and ____.
CN?
General visceral afferent (visceral sensation)
Viscera; blood vessels
CN VII, IX, X
What is GVE component?
Fibers innervate the ____ of the viscera, ____ muscles, heart, and _____.
CN?
General visceral efferent (visceromotor fx)
Smooth muscle; intraocular; salivary glands
CN III, VII, IX, X
What is GSE component?
Fibers innervate ____.
CN?
General somatic efferent (somatomotor fx)
Skeletal muscles
CN III, IV, VI, XI, XII
What is SSA component?
Fibers conduct impulses from ____ and from ____.
CN?
Special somatic afferent (special sensory)
Retina; auditory and vestibular apparatus
CN I, II, VII, VIII, IX
What is the SVA component?
Fibers conduct impulses from the ____ and ____.
CN?
Special visceral afferent
Taste buds; olfactory mucosa
CN VII, IX, X
What is the SVE component?
Fibers innervate ____ derived from the brachial arches.
CN?
Special visceral efferent (brachial motor)
Skeletal muscles
CN V3, VII, IX, X, XI
Name the parasympathetic ganglion and CN that goes with each nucleus:
Visceral oculomotor (Edinger Westphal) nucleus
Superior salivatory nucleus
Inferior salivatory nucleus
Dorsal motor nucleus
CN III -> ciliary ganglion -> ciliary muscles
CN VII -> pterygopalatine ganglion -> lacrimal gland and nasal mucosa
CN VII -> submandibular ganglion -> submandibular and sublingual gland
CN IX -> otic ganglion -> parotid gland
CN X ->thoracic ganglion -> heart and lungs
CN X ->abdominal ganglion -> stomach
What are the three components of the facial N?
General sensory
Special sensory
Branchial motor
Parasympathetic motor
The ____ arises form the facial N (parasympathetic) just superiorly to the stylomastoid foramen. It runs through inner ear crossing the tympanic cavity medial to malleus. It passes through the ____ to join lingual N in the _____. The parasympathetic fibers synapse in the _____ and the postsynaptic fibers follow the arteries to the salivary glands.
Chorda tympani
Petrotympanic fissure
Infratemporal fossa
Submandibular ganglion