Term
| Sublingual(SL) space contains: |
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Definition
| SL gland, deep submandibular gland and duct, lingual n, a, v, submandibular ganglion, hypoglossal n |
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Term
| Submandibular (SMd) space contains: |
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Definition
| SMd gland, lymph nodes, hypoglassal n, n to mylohyoid, facial a&v, submental a&v |
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Term
| Submental (SMe) space contains: |
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Definition
| connective tissue and submental lymph nodes |
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Term
| The sublingual and __________spaces are connected posteriorly |
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Definition
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Term
| The submandibular and __________ spaces are connected anteriorly |
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Definition
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Term
| The source of both the SMe and SL salivary glands pre and post parasympathetic innervation? |
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Definition
Pre: Chorda tympani (VII)
Ganglion: Submandibular
Post: distributed via the lingual n (V3) |
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Term
| Parotid salivary glands pre and postganglionic parasympathetic innervation? |
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Definition
Pre: tympanic n (IX) an lesser petrosal
Ganglion: Otic
Post: distributed by auriculotemporal n (V3) |
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Term
| What mm elevate hyoid and depress mandible? |
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Definition
| Suprahyoids: Digastric (both bellies), stylohyoid, (Myelohyoid also a suprahyoid that pulls hyoid anteriorly) |
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Term
| What m depresses the soft palate while elevating the tongue? |
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Definition
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Term
| The geniohyoid and myohiod both do what? |
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Definition
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Term
| Extrinsic mm of the tongue and their actions: |
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Definition
Hyoglossus -> depress
Styloglossus -> Elevates and retracts
genioglossis -> protrudes |
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Term
| The intrinsic and extrinsic mm of the tongue are innervated by what n? |
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Definition
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Term
| Tee intrinsic mm of the tongue from superior to inferior: |
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Definition
Superior longitudinal
Transverse & vertical
Inferior longitudinal |
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Term
| What would you see in a hypoglossal n (XII) injury? |
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Definition
| hypertrophy on side of lesion w/ tongue deviation to side of lesion |
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Term
| Afferent innervation of the anterior 2/3 of the tongue is from? (bonus: GA to posterior 1/3?) |
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Definition
anterior 2/3 = lingual n (V3)
bonus: posterior 1/3 = glossopharyngeal n (IX) |
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Term
| Taste innervation of the tongue? |
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Definition
VII: anterior 2/3
IX: posterior 1/3
X: epiglottis |
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Term
| The facial artery supplies the submadibular space,including SM and SL glands via the ________ branch |
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Definition
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Term
| The lingual a from the external carotid supplies: |
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Definition
| tongue, SM & SL glands, floor of mouth |
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Term
| Branches of the lingual a? |
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Definition
| Deep lingual, sublingual, dorsal lingual aa |
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Term
| if you were looking at a coronal section thru the floor of the mouth name the mm from medial to lateral. |
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Definition
| genioglossus, hyoglossus, mylohyoid |
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Term
| looking at the floor of the mouth from a midsagital view, name the mm you would see bottom (chin) to top (tongue) |
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Definition
| mylohyoid, geniohyoid, genioglossus |
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Term
| name the 3 structures that travel together toward the apex on the ventral surface of the tongue |
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Definition
| lingual n, deep lingual a & v |
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Term
| what ganglion is suspended from the lingual n at about M3? |
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Definition
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Term
| the lingual nerve crosses the __________ on it sway to the tongue |
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Definition
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Term
| the submandibular duct passes anteriorly medial (and sometimes w/in) the _______ ____ |
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Definition
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Term
| do the facial a & v pass together over the submadibular gland? |
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Definition
| nope. a goes deep. v goes superficial. |
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Term
| 4 structures that pass over the hypoglossal m? |
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Definition
vena comitans
hypoglassal n
lingual n
submadibular duct |
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Term
| 2 structures that pass deep to hypoglossal m? |
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Definition
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Term
| stage 1 of deglutination is a _________ process involving what mm? |
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Definition
voluntary, occurring in the mouth
intrinsic tongue mm
genioglossus m (relaxes) |
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Term
| stage 2 of deglutination is an _________ process, occuring in the __________? |
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Definition
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Term
| stage 2 of deglutination: what 2 mm are responsible for raising soft palate to close off the nasopharynx? |
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Definition
| levator and tensor veli palatini |
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Term
| stage 2 of deglutination: mm responsible for acting on the hyoid to keep bolus from entering airway? |
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Definition
mylohyoid
geniohyoid
ant belly of digastric |
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Term
| stage 2 of deglutination: mm who contract pharynx over bolus? |
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Definition
stylopharyngeus
palatopharyngeus
salpingopharyngeus |
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Term
| stage 3 of deglutination is an ___________ process that occurs in the _______& ________. |
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Definition
involuntary
pharynx --> esophagus |
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Term
| stage 3 of deglutination: 3 mm responsible for propelling bolus into esophagus? |
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Definition
| superior, middle, and inferior pharyngeal constrictor mm |
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Term
| afferent branch of the swallowing reflex? |
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Definition
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Term
| efferent branch of the swallowing reflex? |
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Definition
vagus (X)
* with contributions from IX, V3, C1 |
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