Tongue Flashcards
Craneal nerve that provides motor to tongue muscles
Hypoglossal Nerve (XII CN)
Hypoglossal nerve provides motor or sensory to tongue muscles
motor
Hypoglossal nerve provides motor to…
all intrinsic and extrinsic muscles EXCEPT Palatoglossus
which tongue muscle is innervated by VAGUS NERVE
palatoglossus
extrinsic muscles are named based on their
origin
During contraction, what does the Genioglossus do
protrudes
During contraction, what does the HYOGLOSSUS do
Depresses
During contraction, what does the STYLOGLOSSUS do
Elevates and retracts the tongue
During contraction, what does the Palatoglossus do
elevates the tongue base and depresses the soft palate
Muscle that during contraction PROTRUDES the tongue
genioglossus
Muscle that during contraction DEPRESSES the tongue
Hyoglossus
Muscle that during contraction ELEVATES AND RETRACT
Styloglossus
Muscle that during contraction elevates tongue base and depresses soft palate
palatoglossus
the soft palate is elevated during swallowing and initiation of esophageal peristalsis by which nerve?
vagus nerve
lingual nerve provides sensory to what part of the tongue
tongue’s anterior 2/3
glossofaryngeal nerve provides sensory and taste to
tongue’s posterior 1/3
which nerve provides sensory to the tongue’s anterior 2/3
lingual nerve
which nerve provides sensory and taste to tongue’s 1/3 posterior
Glossopharyngeal nerve
Cranial nerves that innervate the tongue
VII= facial IX= glossopharyngeal X= vagus XII= Hypoglossal
provides blood main supply to the tongue
lingual artery
what parts drain into the submental lymph nodes
tip of the tongue lower lip floor of the mouth mandibular incissors chin bilaterally
where does the tip of the tongue, lower lip, floor of the mouth, mandibular incissors
and chin bilaterally DRAIN?
Submental lymph nodes
where does the remaining 2/3 of the tongue drain into?
submandibular and deep cervical lymph nodes
what drains into the deep cervical lymph nodes?
remaining 2/3 of the tongue
What will drain into the submandibular lymph nodes?
- a severe abscess in the maxillary tooth
2. rest of 2/3 of the tongue
where does a severe abscess in the maxillary tooths drain?
Submandibular lymph nodes
3 characteristics of the FILIFORM PAPILLAE
- MOST numerous
- no taste buds
- cause hairy tongue
Which papillae is the MOST numerous
Filliform Papillae
Which papillae has no taste buds
Filliform papillae
Indication of hairy tongue
staining and elongation of the filliform papillae due to oral bacteria or funghi
treatment to black hairy tongue
- tongue brushing or scrapping
2. tobacco cessation
what causes geographic tongue
atrophy of filliform papillae
what happens when we have atrophy of filliform papillae?
geografic tongue
what causes erythema migrans
atrophy of filliform papillae
what can result in RED BEEFY TONGUE
lost of numerous filliform papillae during iron deficiency anemia
largest papillae
circumvallate papillae
least numerous papillae
circumvallate papillae
Papillae
- largest
- least numerous
- taste buds
circumvallate papillae
where are the taste buds next to of the circumvallate papillae
von ebners gland
3 characteristics of the circumvallate papillae
- largest
- least numerous
- have taste buds
tongues lowest threshold region occurs…
posterior to bitterness
oral manifestation often caused by hemangiomas
macroglossia
oral manifestation common in acromegaly and trisomy 21
macroglossia
macroglossia is common in 2 genetic disorders
- trisomy 21
2. acromegaly
macroglossia is often caused by:
hemangiomas
congenital anomaly of excessive tongue adhesion to the mouth floor
ankyloglossia
what is ankyloglossia
congenital anomaly of excessive tongue adhesion
what causes a short and thick frenum
ankyloglossia
objective of ankyloglossia treatment
improve:
- tongue movement
- hygiene
- speech
ankyloglossia treatment
frenectomy
Frenectomy is a treatment for what?
Ankyloglossia
simplest lymph organ located at the base of the tongue
lingual tonsils
where are located the lingual tonsils
base of the tongue
