Lab 25 Mouth and Tongue

Question 1

deep depression at the midline point of the terminal sulcus

Answer 1

foramen cecum

Question 2

There are 2 nerves between the hyoglossus and mylohyoid muscles, what are they and which one is more inferior?

Answer 2

hypoglossal is more inferior to lingual

Question 3

v-shaped groove separating the root and body of the tongue

Answer 3

terminal sulcus

Question 4

a singular, midline, thin sheet of mucosa between the inferior surface of the tongue and the floor of the oral cavity

Answer 4

frenulum of the tongue

Question 5

What are the intrinsic muscles of the tongue?

Answer 5

superior and inferior longitudinal, transverse muscle, vertical muscle (of the tongue)

Question 6

Deeper and just lateral to the styloglossus, identify _____.

Answer 6

glossopharyngeal nerve

Question 7

On the medial side of the sublingual gland you will find the _____ _____ that you will follow anterior to its opening on the ____ ______. Then trace it posteriorly to find the deep part of the ______ _____.

Answer 7

submandibular duct

sublingual caruncle (papilla)

submandibular gland

Question 8

anterior tip of tongue

Answer 8

apex

Question 9

The deep part of the submandibular gland is found on the ______ surface of the _____ muscle.

Answer 9

deep (interior), mylohyoid

Question 10

What is immediately deep to the mylohyoids?

Answer 10

geniohyoid muscles

Question 11

What gland is immediately deep to the mucosa? (sublingual region)

Answer 11

sublingual gland, duh

Question 12

Anterior 2/3 of tongue

Answer 12

body

Question 13

The lingual nerve passes (medial/lateral), then (superior/inferior) then (medial/lateral) to the submandibular duct.

Answer 13

lateral, then inferior, then medial

Question 14

posterior 1/3 of tongue

Answer 14

root

Question 15

You will retract the tongue MEDIALLY and POSTERIORLY to identify 3 things. What are they?

Answer 15

frenulum of the tongue (sublingual frenulum)

sublingual fold

sublingual caruncle

Question 16

fold of mucosa covering the sublingual gland

Answer 16

sublingual fold

Question 17

A large fan-shaped muscle forming the bulk of the tongue is called what?

Answer 17

genioglossus

Question 18

What muscle attaches between the lateral side of the root of the tongue and the hyoid bone (greater horn and body)?

Answer 18

hyoglossus

Question 19

What is found within the carotid triangle and can be traced from the ECA medial to the hyoglossus muscle?

Answer 19

lingual artery

Question 20

Genioglossus attaches anteriorly to the ____ _____ and then merges into the tongue, while geniohyoid is between the ____ and the _____. The mylohyoid is the most (superficial/deep) of these three.

Answer 20

mental spines

mandible and the hyoid

superficial

Question 21

Near the 3rd mandibular molar tooth we will identify the _______ ganglion suspended below the ____ nerve.

Answer 21

submandibular ganglion suspended below the lingual nerve

Question 22

What other nerve will we trace to the sublingual region? It passes between the deep part of the submandibular gland and the hyoglossus muscle.

Answer 22

hypoglossal nerve

Question 23

Near the superior end of the hyoglossus on the lateral side of the root of the tongue identify ___.

Answer 23

styloglossus

Question 24

What is primarily found on the dorsal body of the tongue?

Answer 24

lingual papillae

Question 25

furrow running longitudinally along the dorsum of the body of the tongue

Answer 25

median sulcus

Question 26

What is found on the dorsal surface of the root of the tongue? Where is this in relation to the terminal sulcus?

Answer 26

lingual tonsils, posterior

Question 27

Between the median and lateral folds on the anterior surface of the epiglottis is the ______ _______.

Answer 27

epiglottic vallecula

Question 28

contains the opening of the submandibular duct (aka the sublingual papilla)

Answer 28

sublingual caruncle

Question 29

What branches from the lingual artery? At this branch the lingual artery changes its name to what?

Answer 29

sublingual artery, deep lingual artery

Question 30

Posterior to the root of the tongue is the ______. On the anterior surface of _____ and extending toward the root of the tongue you will find 2 folds called what?

Answer 30

epiglottis, epiglottis

median glossoepiglottic fold
lateral glossoepiglottic fold

Question 31

In the infratemporal fossa we will see a nerve and trace it to the sublingual region. What nerve?

Answer 31

lingual