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Anat: Pharynx
Exam 2: Lecture 7
39
Anatomy
Graduate
09/12/2013

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Term
3 sections of pharynx
Definition
nasopharynx
oropharynx
laryngopharynx (AKA: hypopharynx)
Term
organ which conducts food to esophagus & conducts air to larynx
Definition
pharynx
Term
region of pharynx which is located posterior to nasal cavity & above soft palate
Definition
nasopharynx
Term
region of pharynx which is extends posterior to oral cavity, below level of soft palate & to tip of epiglottis
Definition
oropharynx
Term
region of pharynx which is located posterior to pharynx
Definition
laryngopharnyx
Term
opening in lateral wall of nasopharynx
Definition
eustachian tube (AKA: auditory tube)
Term
cartilage of eustachian tube forms this structure
Definition
torus tubarius
Term
fossa located behing torus tubarius
Definition
pharyngeal recess
Term
posterior wall of nasopharynx is covered with lymphoid tissue which forms this structure
Definition
pharyngeal tonsil (AKA: adenoids/adenoid pad)
Term
inflammation of pharyngeal tonsils may result in obstruction of these 2 structures
Definition
nasal passage
eustachian tube orifice
Term
area between epiglottis and tongue
Definition
vallecula
Term
tonsils located at base of tongue
Definition
lingual tonsils
Term
tonsils located on lateral wall of oropharynx; also enclosed by tonsillar pillars
Definition
palatine tonsils
Term
anterior pillar of palatine tonsils is formed by this M.
Definition
palatoglossus M.
Term
posterior pillar of palatine tonsils is formed by this M.
Definition
palatopharyngeus M.
Term
vascular supply to palatine tonsils (3)
Definition
fascial A.
ascending pharyngeal A.
lingual A.
Term
sensory N. supply to palatine tonsils
Definition
glossopharyngeal N. (CN IX)
Term
space found lateral in laryngopharynx; is a common place for good entrapment
Definition
piriform recess
Term
pharyngeal raphe's superior attachment
Definition
occipital bone
Term
pharyngeal constrictors (3--superior, middle, & inferior constrictor M.s) all insert into corresponding M. posteriorly at this structure & all constrict wall of pharynx
Definition
pharyngeal raphe
Term
name the internal M.s which elevate the pharynx; all insert on inner surface of larynx
Definition
palatopharyngeus
salpingopharyngeus
stylopharyngeus
Term
pharyngeal constrictor M.s: innervation
Definition
CN X (vagus N.) via the pharyngeal plexus
Term
internal pharyngeal M.s: innervation & exception to innervation rule
Definition
CN X (vagus N.) via the pharyngeal plexus
EXCEPT for stylopharyngeus which is innervated by CN IX (glossopharyngeal)
Term
external pharyngeal M. which arises from pterygomandibular rap he (or ligament)
Definition
superior constrictor M.
Term
external pharyngeal M. which arises from hyoid bone
Definition
middle constrictor M.
Term
external pharyngeal M. which arises from oblique line of thyroid cartilage
Definition
inferior constrictor M.
Term
internal pharyngeal M. which arises from hard & soft palate & inserts into wall of pharynx
Definition
palatopharyngeus M.
Term
internal pharyngeal M. which arises from end of eustachian tube & inserts into wall of pharynx
Definition
salpingopharyngeus M.
Term
internal pharyngeal M. which arises from medial side of styloid process & inserts into wall of pharynx & *thyroid cartilage
Definition
stylopharyngeus
Term
primary arterial supply to pharynx is from ___, which is a branch off external carotid A.
Definition
ascending pharyngeal A.
Term
venous structure in pharynx region; drain into IJ V.
Definition
pharyngeal venous plexus
Term
drainage of lymphatics in the pharyngeal region is through pharyngeal wall & to these 2 groups of lymph nodes first; SOME drains directly to deep cervical lymph nodes as well
Definition
lateral & retropharyngeal nodes
Term
lateral & retropharyngeal lymph nodes drain to this group of lymph nodes located around the IJ V.
Definition
deep cervical lymph nodes
Term
3 N.s which contribute to pharyngeal N. plexus & what functions they contribute (sensory, motor, both, autonomic)
Definition
CN IX (sensory & motor)
CN X (motor)
postganglionic sympathetic branches from superior cervical ganglion (autonomic)
Term
nearly ALL sensory innervation to pharynx is from this N.
Definition
CN IX
Term
N. which gives motor inn. to stylopharyngeus
Definition
CN IX
Term
nearly ALL motor inn. to pharynx is from this N.
Definition
CN X
Term
postganglionic sympathetic fibers from superior cervical ganglion also join plexus to innervate ___
Definition
vasculature
Term
difficulty swallowing
Definition
dysphagia
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