(E3) 1 - Tongue

Question 1

What are the two parts that make up the dorsal surface of the tongue?

Answer 1

• Oral (presulcal) - movebale
• Pharyngeal (postsulcal) - non-moveable

Question 2

Describe the Pharyngeal part of the tongue (what does it contain)

Answer 2

Question 3

Describe the Oral part of the tongue

Answer 3

Question 4

What is the sulcus terminalis?

Answer 4

V-shaped groove near posterior tongue that separates oral and pharyngeal parts.

Question 5

What does the center of the sulcus terminalis have? (what is it the development site of)

Answer 5

Foramen Cecum (development site of the thyroid gland)

Question 6

_____ = Mucosal elevations on dorsal surface

Answer 6

Papillae

Question 7

What are the 4 papillae of the tongue?

Answer 7

Question 8

Describe the Filiform papillae

Answer 8

Question 9

Describe the Foliate papillae

Answer 9

Question 10

Describe the Vallate (circumvallate) papillae

Answer 10

Question 11

Describe the Fungiform papillae

Answer 11

Question 12

Image - Vallate Papilla

Answer 12

Question 13

What is the Palatoglossal Fold (Arch)

Answer 13

Attach soft palate (posterior
part of palate) to tongue
Also considered anterior pillar
of fauces (throat)

Question 14

What does the Palatoglossal fold attach?

Answer 14

Attaches soft palate (posterior palate) to the tongue

Question 15

What is also considered the anterior pillar of fauces (throat)?

Answer 15

Palatoglossal fold (arch)

Question 16

Describe the Glossoepiglottic Folds

Answer 16

Question 17

Describe the Vallecula

Answer 17

Question 18

_____ is the mucosal fold attaching tongue to floor of oral cavity

Answer 18

Frenum

Question 19

______ are oblique mucosal folds lateral to frenulum

Answer 19

Fimbriated folds (plica fimbriata)

Question 20

Where can you find the deep lingual veins?

Answer 20

• Ventral Surface of tongue

Question 21

What do the sublingual glands mark the opening for?

Answer 21

Submandibular duct into the oral cavity

Question 22

Describe the sublingual papilla

Answer 22

Question 23

What are the extrinsic muscles of the tongue?

Answer 23

Question 24

Describe the Extrinsic Muscles of the Tongue

Answer 24

Question 25

Attachment, Action and Innervation: Genioglossus

Answer 25

Question 26

Attachment, Action and Innervation: Hyoglossus

Answer 26

Question 27

Attachment, Action and Innervation: Chondroglossus

Answer 27

Question 28

Attachment, Action and Innervation: Styloglossus

Answer 28

Question 29

Attachment, Action and Innervation: Palatoglossus

Answer 29

Question 30

What are the 4 Intrinsic Tongue Muscles?

Answer 30

- Superior longitudinal - Inferior Longitudinal - Transverse - Vertical

Question 31

Describe the Intrinsic Muscles of the Tongue

Answer 31

Question 32

Superior Longitudinal Muscle - Location and Action

Answer 32

Question 33

Inferior Longitudinal Muscle - Location and Action

Answer 33

Question 34

Transverse Muscle - Location and Action

Answer 34

Question 35

Vertical Muscle - Location and Action

Answer 35

Question 36

and what is the exception?

Answer 36

- Hypoglossal Nerve Exception: Palatoglossus = Vagus Nerve

Question 37

Hypoglossal nerve courses anterolaterally through_______ as multiple rootlets

Answer 37

Hypoglossal Canal

Question 38

Hypoglossal nerve courses inferiorly between _____ and __________

Answer 38

- internal carotid artery - internal jugular vein

Question 39

Hypoglossal nerve courses posterior to _____ artery and deep to_______

Answer 39

- occipital - posterior digastric

Question 40

Hypoglossal nerve courses lateral to external carotid then anterior then lateral to hyoglossus and deep to mylohyoid, piercing _________

Answer 40

genioglossus

Question 41

_____ branch of the____ nerve, that contributes to the pharyngeal plexus, innervates the _______

Answer 41

- Pharyngeal - vagus - palatoglossus

Question 42

What is the artery supply to the tongue muscles?

Answer 42

Question 43

Describe the course of the lingual artery and its 2 branches

Answer 43

Question 44

What do the dorsal lingual branches supply?

Answer 44

Question 45

Lingual artery continues anteriorly then splits into_____ and ______

Answer 45

- sublingual - deep lingual arteries

Question 46

Describe the sublingual artery

Answer 46

Question 47

Describe the deep lingual artery

Answer 47

Question 48

The inferior alveolar artery gives off a ___ __ branch prior to entering the mandible (what does it also supply?)

Answer 48

lingual

Question 49

The facial artery gives off the _____ artery

Answer 49

Submental

Question 50

Describe the submental artery

Answer 50

Question 51

Lingual vein drains ventral surface of tongue via ____ vein and dorsal posterior surface via _____ veins.

Answer 51

- deep lingual - dorsal lingual

Question 52

Lingual vein drains into internal jugular vein via ______

Answer 52

Common Facial Vein

Question 53

Describe the Accompanying Vein of the Hypoglossal Nerve

Answer 53

Question 54

Describe the Submental Vein

Answer 54

Question 55

Most of the tongue drains into neck lymph nodes via _______

Answer 55

Lymphatic channels/vessels

Question 56

Lymph Nodes: Central part of the tongue drains _______ into _______

Answer 56

Bilaterally into cervical nodes

Question 57

What are the four sensory nerves that innervate the tongue?

Answer 57

Question 58

Motor Innervation to the tongue is from?

Answer 58

Question 59

What conveys general sensation from the anterior 2/3 of the tongue?

Answer 59

Lingual Nerve

Question 60

What conveys general sensation from the posterior 2/3 of the tongue?

Answer 60

- lingual branches of glossopharyngeal nerve - internal laryngeal nerve from vagus nerve

Question 61

What conveys taste from the anterior 2/3 of the tongue?

Answer 61

Facial Nerve

Question 62

What nerves convey taste?

Answer 62