MOUTH-FACIAL STRUCTURES

Question 1

sinking of the mouth area

Answer 1

stomodaeum

Question 2

fusion of the epidermis and endoderm

Answer 2

oral plate
Fate: becomes thin, then degenerates

Question 3

what is the fate of the Rathke’s pouch?

Answer 3

anterior lobe of the hypophysis

Question 4

basal layer of the epithelial lining of the stomodaeum

Answer 4

dental lamina

Question 5

dental lamina

Answer 5

outer and inner dental epithelium

Question 6

Precursor and derivative of mesenchyme cells

Answer 6

neural crest; dental papilla

Question 7

Precursor and derivative of odontoblast/dentinoblast

Answer 7

mesenchyme adjacent to inner dental epithelium; dentine

Question 8

Precursor and derivative of ameloblast

Answer 8

inner dental epithelium; enamel

Question 9

Precursor and derivative of Nasal/Olfactory placode

Answer 9

Ectodermal thickening; olfactory pit

Question 10

medial nasal process

Answer 10

premaxillary bone

Question 11

maxillary process

Answer 11

maxillary bone

Question 12

mandibular process

Answer 12

mandibular bone

Question 13

mandibular process

Answer 13

lower edge of the mouth

Question 14

hollowed ridge

Answer 14

lacrimal duct

Question 15

nasomedial process

Answer 15

nose, philtrum of upper lip, primary palate

Question 16

nasolateral process

Answer 16

outer wall of the nostril

Question 17

cementoblast

Answer 17

cementum

Question 18

remaining cells of dental papilla

Answer 18

pulp

Question 19

inner and outer dental epithelial layer

Answer 19

epithelial root sheath