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Gross Anatomy Exam 4 > Tongue > Flashcards

Flashcards in Tongue Deck (29):
1

Tongue is caudally supported by?

Hyoid b.

2

Median groove of the tongue is on which side?

Dorsal

3

Which lingual mucosa is less cornified?

Ventral

4

Lyssa

1. Median filiform structure
2. Stretch receptor

5

How is root of the tongue separated from the body?

By vallate papillae

6

2 types of mechanical papillae

1. Filiform papillae
2. Conical papillae

7

3 types of gustatory papillae

1. Fungiform
2. Vallate
3. Foliate

8

Smallest and most numerous papillae

Filiform

9

Conical papillae found?

Dorsum of caudal third of tongue

10

Fungiform papillae found where?

Rostral 2/3 of tongue

11

Vallate papillae location

2-3 pairs on caudal third of dorsum of tongue in V

12

Foliate papillae location

Dorsolateral aspect of cd. third of tongue just rostral to palatoglossal fold

13

Intrinsic mm. of tongue

Not attached to hyoid apparatus

14

3 extrinsic mm. of tongue

1. Styloglossus
2. Hyoglossus
3. Genioglossus

15

Most lateral extrinsic m. of tongue

Styloglossus

16

Styloglossus OIA

O: stylohyoid b.

I: middle of tongue

A: shortens tongue, elevates apex, pulls middle portion laterally

17

Hyoglossus OIA

O: basihyoid b.

I: cd. 2/3 of tongue

A: retracts and depresses tongue

18

Most medial extrinsic m. of tongue

Genioglossus

19

Genioglossus OIA

O: mandibular symphysis

I: ventral surface of tongue

A: draws tongue rostrally and ventrally

20

2 aa. which supply the tongue

1. Lingual a.
2. Sublingual a.

21

Lingual a. is a direct branch from?

External carotid a.

22

Sublingual a. is a direct branch from?

Facial a.

23

How does blood supply drain from tongue/

Sublingual v. →
Lingual v. →
Linguofacial v. →
External jugular v.

24

5 nn. which innervate the tongue

1. Lingual n.
2. Chorda tympani
3. Vagus n.
4. Lingual branch of glossopharyngeal n.
5. Hypoglossal n.

25

Lingual n. is a branch of?

Mandibular n. of trigeminal n.

26

Chorda tympani is a branch of?

Facial n.

27

Chorda tympani carries?

Mechanoreceptor and thermoreceptor afferent fibers to whole tongue + some taste fibers

28

Lingual branch of glossopharyngeal n. innervates?

Caudal 1/3 of tongue

29

Only motor n. to tongue

Hypoglossal n.