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Airway Innervation
Notes on Nerves from
13
Nursing
Graduate
05/19/2014

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Cards

Term
What nerve supplies the anterior third of the septum and lateral wall of the nasopharynx?
Definition
The anterior ethmoidal nerve (a branch of the opthalmic division of the trigeminal nerve).
Term
What nerve supplies the posterior 2/3 of the septum and the lateral wall of the nasopharynx?
Definition
The maxillary division of the trigeminal nerve via the sphenopalatine ganglion.
Term
What is the result of sympathetic innervation in the nasopharynx?
Definition
With sympathetic stimulation, the nasal tissue vasoconstricts and shrinks.
Term
What is the result of sympathetic nerve inhibition in the nasopharynx (as occurs with general anesthesia)?
Definition
-Engorgement of nasal tissue, and increased likelihood of bleeding.
-happens with general anesthesia due to inhibition of sympathetic NS and dry air delivery.
Term
Muscle innervation of the tongue
Definition
Hypoglossal nerve (cranial nerve XII)
Term
Sensation innervation of the tongue (anterior 2/3rds)
Definition
Trigeminal nerve (V)
Term
Sensation innervation of the tongue (posterior 1/3)
Definition
Glossopharyngeal Nerve (IX)
Term
Taste innervation of the tongue (anterior 2/3rds)
Definition
Facial Nerve (VII)
Term
Taste innervation of the tongue (posterior 1/3)
Definition
glossopharyngeal (IX)
Term
Nerve that supplies the cricothyroid muscle
Definition
The external branch of the laryngeal nerve
Term
Nerve that supplies the rest of the motor innervation of the Larynx
Definition
The recurrent laryngeal nerve
Term
The major sensory nerve of the larynx, supplying laryngeal tissue from the vocal cords up (including the vocal cords).
Definition
The internal branch of the superior laryngeal nerve.
Term
Nerve that supplies the sensory innervation to the mucosa inferior to the vocal cords
Definition
The recurrent laryngeal nerve
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