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The chain of nodes along the internal jugular vein
Deep cervical nodes.
Drain into the jugular trunk -> thoracic duct or right lymphatic duct
frontal sinus and maxillary sinus drainage location
through infundibulum into semilunar hiatus (middle meatus @ hiatus semilunaris)
Functions of the nose
-moisten & warm air
-resonating chamber for speech
-houses olfactory receptors
Fxn of retropharyngeal space
Allows the esophagus to move in relation to the vertebral column during swallowing.
Clinical significance: allows the spread of infections to the mediastinum
area in middle meatus where frontal and maxillary sinuses drain, as well as the anterior ethmoid air cells
string-like skin from the gums (gingiva) between front two teeth to the cheek
(under the tongue = lingual frenulum)
membrane-walled ducts and sacs lining the bony labyrinth.
Three main parts: 1) cochlear duct, 2) utricle & saccule, 3) semicircular canals
normally closed, equalizes pressure during swallowing.
links middle ear to pharynx.
Auditory tube (aka Eustachian tube or
Occipital & retroauricular lymph nodes
both flow to the superficial cervical nodes, located along the EJV (Superficial to the SCM).
From superficial cervical nodes -> deep
axons to nasal mucosa
soma (cell body) found in olfactory bulb
olfactory track -> medial temporal lobe
area created by DEEP layers of fascia, posterior to the esophagus between the prevertebral & buccopharyngeal fascia
sphenoid sinus drainage
Above the superior nasal concha
Called: sphenoethmoidal recess.
-Tilt head forward to drain
Parotid duct from parotid gland
-opens high up in the vestibule (around the second molar)
some protection from infection
located near the pharyngotympanic tube in the NASOpharynx
Two tonsils of OROpharynx
palantine - lateral walls under fauces
lingual - on posterior tongue surface
Vestibule of the oral cavity
Space between the teeth and cheek
(gets big when you blow your cheeks out)
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