Development of the Skull, Face and Palate Flashcards Preview

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Flashcards in Development of the Skull, Face and Palate Deck (72)
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1

what does the skull develop from ?

mesenchyme

2

neurocrainium is

around the brain

3

viscerocranium

is the skeleton around the face

4

what are the two parts of the neurocranium ?

cartilagenous and memranous parts

5

what process forms the bones of the skull

endochondral ossification

6

what type of cartilage gives rise to the ethmoid bone ?

prechordal cartilage

7

parachordal cartilage gives rise to

occipital bone

8

hypophysial cartilage gives rise to

forms around the pituitary gland

9

ethmoid, nasal, lacrimal, and inferior concha are formed from

olfactory capsules

10

petrous and mastoid parts of petrous bone are formed by

otic capsule

11

forms the greater and lesser wings of the sphenoid

optic capsule

12

the membranous neurocranium is derived from

neural crest cells

13

what process forms the neurocranium

intermembranous ossification

14

the membranous viscerous cranium is from

the first arch and neural crest cells

15

membranous neurocranium forms what bones

frontal, parietal, sqaumous part of temporal and portion of occipital

16

viscerocranium froms what vones

squamous temporal, maxillary and zygomatic bones and most of the mandible

17

cartilagenous viscerocranium is from what

first and second arches via endochondral ossification

18

first arch forms

malleus and incus and parts of mandible

19

second arch forms

stapes, lesser horn, and superior part of hyoid bone

20

third arch forms

greater horns and inferior part of hyoid bone

21

fourth and third arch form

epiglottis

22

what forms the laryngeal cartilages

fourth and sixth arches

23

when does the development of the face begin ?

4th week

24

what does the development of the face rely on

organizing centers related to the forebrain

25

face develops around what structure

stomadeum

26

the nasolacrimal duct forms from _______of the nasolacrimal groove

ectoderm

27

______________ are not present at birth but develop in early life by the eroding of bone

paranasal sinuses

28

what do the neural crest cells that remain in the surface ectoderm form

neuroepithelium

29

what do the nerual crest cells taht remain in the surface ectoderm help give rise to

ectodermal placodes

30

ectodermal placodes will form what

neural tissue along with the lens of the eye