Orofacial Structures Flashcards Preview

Histology > Orofacial Structures > Flashcards

Flashcards in Orofacial Structures Deck (32):
1

what is the upper lip composed of

2 maxillary processes and a medial nasal process

2

what is another name for the medial nasal process

philtrum

3

what are the three parts of the palate

medial part (primary palate) and 2 lateral palatine processes

4

what is the anterior wedge-shaped part of the palate called

primary palate or medial part

5

how does the tissue merge

Anteriorly to posteriorly

6

how many diff cranial nerves innervate the tongue

4
fifth , seventh, ninth, and tenth cranial nerves

7

what separated the base and the body of the tongue

terminal sulcus

8

what makes up the waldeyers ring

lingual tonsils, palatine tonsils, and pharyngeal tonsils

9

the thyroid gland originates from what

foramen cecum

10

during development, how does the thyroid gland remain attached to the tongue

by the thyroglossal duct

11

thyroglossal cyst are commonly found in what area

area of the hyoid bone

12

what is the name of a blind pocket lined with thyroid epithelium

thyroglossal cyst

13

what month does the thyroid gland begin functioning

end of third month

14

what muscle supports the upper lip

orbicularis oris

15

3 processes forming palate

-Primary palate
-Right lateral palatine process
-Left lateral palatine process

16

T/F
Oral cavity alone opens into pharynx

False

17

Connects tongue

Thyroglossal duct

18

Clefts are most common in:

Asians

19

Cleft lips most common in:

White men

20

Cleft palates most common in:

White females

21

Tongue innervated by how many nerves?

5

22

List the nerves innervated from tongue

V3 lingual
VII Chordia tympani
IX glossopharyngeal
X vagus
XII Hypoglossal

23

Facial development occurs when?

4-7 weeks

24

Fastest growing organ during early development

Heart

25

Heart begins beating in the _________ week

4th

26

First brachial arch divides into _____ arches

2

27

Name the arches from the 1st brachial arch

Maxillary process
Mandibular process

28

Maxillary process gives rise to _____________

Sides of upper lips
Upper cheeks
Lateral palatine shelves

29

Mandibular process gives rise to _________________

Lower jaw
Lower face
Lip

30

Philtrum comes from what process

Medial nasal (globular) process

31

Cartilage for 1st mandibular arch

Meckel's cartilage

32

Cartilage for secondary mandibular arch

Reichart's cartilage