Tongue

Question 1

Identify

Answer 1

1. Root of tongue
2. Body of tongue
3. Apex of tongue

Question 2

Identify 1 - 3

Answer 2

1. Epiglottis
2. Glossoepiglottic folds
3. Vallecula

Question 3

Palatoglossal arches are also known as ___

Answer 3

anterior pillar of fauces

Question 4

Identify 4

Answer 4

4. Lingual tonsils

Question 5

Identify 5

Answer 5

5. Palatoglossal folds

Question 6

Identify 6

Answer 6

6. Foramen cecum

Question 7

Identify 7 - 10

Answer 7

7. Circumvallate papillae
8. Foliate papillae
9. Filiform papillae
10. Fungiform papillae

Question 8

What is special about Foramen cecum?

Answer 8

It is Initial developmental site for thyroid gland

Question 9

There 4 types of papilla

7. Circumvallate papillae
8. Foliate papillae
9. Filiform papillae
10. Fungiform papillae

-> Which papilla have taste buds?

Answer 9

• Filiform
• Fungiform—have taste buds
• Foliate—have taste buds
• Circumvallate—have taste buds

Question 10

Identify 1

Answer 10

1. Deep lingual vv.

Question 11

Identify 2

Answer 11

2. Plica fimbriata

Question 12

Identify 4

Answer 12

4. Sublingual papilla

Question 13

Identify 3

Answer 13

3. Lingual frenulum

Question 14

Sublingual papilla
-> Marks entrance of saliva from ____ into oral cavity

Answer 14

submandibular glands

Question 15

Sublingual papilla

• > Marks entrance of saliva from submandibular glands into oral cavity
• > Continuous with ____ on the floor of the oral cavity

Answer 15

sublingual folds overlying sublingual glands

Question 16

Extrinsic Muscles of the Tongue

Identify

Answer 16

1. Palatoglossus
2. Genioglossus
3. Hyoglossus
4. Styloglossus

Question 17

Extrinsic Muscles of the Tongue

Identify 1. O & I

Answer 17

1. Palatoglossus

O: palatine aponeurosis

I: projects into the intrinsic muscles of the tongue

Question 18

Extrinsic Muscles of the Tongue

Identify 1. Action

Answer 18

1. Palatoglossus

• depresses the soft palate
• elevates the root of the tongue → narrows the isthmus of fauces

Question 19

Extrinsic Muscles of the Tongue

Identify 1. Nerve

Answer 19

1. Palatoglossus

Glossopharyngeal nerve [IX]

Question 20

Extrinsic Muscles of the Tongue

Identify 2. O & I

Answer 20

Genioglossus

O: mental spine of the mandible

I: lingual aponeurosis

Question 21

Extrinsic Muscles of the Tongue

Identify 2. Action

Answer 21

Genioglossus

A - protracts and depresses the tongue

(F: moves the tongue in an anterior and inferior direction)

Question 22

Extrinsic Muscles of the Tongue

Identify 2. Nerve

Answer 22

Genioglossus

Hypoglossal nerve [XII]

Question 23

Extrinsic Muscles of the Tongue

Identify 3. O & I

Answer 23

Hyoglossus

O: greater horn and body of hyoid bone

I: lingual aponeurosis

Question 24

Extrinsic Muscles of the Tongue

Identify 3. Action

Answer 24

Hyoglossus

→ Depresses the tongue

(F: moves the tongue in a posterior and inferior direction)

Question 25

Extrinsic Muscles of the Tongue

Identify 3. Nerve

Answer 25

Hyoglossus

→ Hypoglossal nerve [XII]

Question 26

Extrinsic Muscles of the Tongue

Identify 4. O & I

Answer 26

Styloglossus

O: styloid process of the temporal bone

I: lingual aponeurosis

Question 27

Extrinsic Muscles of the Tongue

Identify 4. Action

Answer 27

Styloglossus

Action: Elevates and retracts the tongue

Question 28

Extrinsic Muscles of the Tongue

Identify 4. Nerve

Answer 28

Styloglossus

Hypoglossal nerve [XII]

Question 29

Arterial Supply of the Tongue

→ identify

Answer 29

1. Deep lingual a.
2. Sublingual a.
3. Lingual a.
4. Dorsal lingual a.

Question 30

Arterial Supply of the Tongue

The lingual a. is a branch of _____

→ passes toward the greater cornu of the hyoid bone and makes a loop passing superficial to the middle constrictor m.

Answer 30

the external carotid a.

Question 31

Arterial Supply of the Tongue

The lingual a. passes deep to the hyoglossus m. and travels anteriorly between it and the genioglossus m.

→ After passing deep to the hyoglossus, ____ (arteries?) are given off at the posterior border of the hyoglossus

Answer 31

2-3 small dorsal lingual aa.

Question 32

Arterial Supply of the Tongue

After lingual artery passes deep to the hyoglossus, 2-3 small dorsal lingual aa. are given off → they pass to the posterior 1/3 of the dorsum of the tongue

→ The role of dorsal lingual arteries?

Answer 32

provide vascular supply to the mucous membrane in the posterior 1/3 of the dorsum of the tongue, palatoglossal arch, palatine tonsil, epiglottis, and surrounding soft palate.

Question 33

Arterial Supply of the Tongue

after giving off dorsal lingual arteries

→ The lingual a. continues to pass anteriorly and gives off _____ at the anterior border of the hyoglossus.

Answer 33

the sublingual branch

Question 34

Arterial Supply of the Tongue

after giving off dorsal lingual arteries

→ The lingual a. continues to pass anteriorly and gives off the sublingual branch at the anterior border of the hyoglossus.

→ What is the role of sublingual artery?

Answer 34

provides vascular supply to the sublingual gland and the muscles in the area.

Question 35

Arterial Supply of the Tongue

____ (artery?) the terminal branch or continuation of the lingual a. after the sublingual a. is given off, travels superiorly to reach the tongue’s ventral surface

Answer 35

The deep lingual a.,

Question 36

Arterial Supply of the Tongue

Located between the inferior longitudinal m. of the tongue and the mucous membrane, the deep lingual is accompanied _____

Answer 36

by branches of the lingual n.

Question 37

Arterial Supply of the Tongue

Located between the inferior longitudinal m. of the tongue and the mucous membrane

→ the deep lingual is accompanied by branches of the lingual n

→ And it anastomoses with ____ from the other side.

Answer 37

the deep lingual a.