Embryology

Question 1

what forms form the brachila arhces

Answer 1

face and neck

Question 2

where do the brahcal arches form

Answer 2

around futre motha nd parynx

Question 3

what brahcla arch disapers

Answer 3

arch 5

Question 4

what embryological tissues make up the branchial arches

Answer 4

ectoderm, mesoderm and endoderm

Question 5

what layer is the skeltal artery and nerve an cartilage form in

Answer 5

mesoderm

Question 6

what nerve is first arch

Answer 6

mandibular barnce of trigeminal

Question 7

what branch is 2nd arch

Answer 7

facial nerve

Question 8

what branch is 3rd arch

Answer 8

glossopharyngeal

Question 9

what branch is 4th arch

Answer 9

superior laryngela branch of the vaugus nerve

Question 10

what branch is the 6th arch

Answer 10

recurent layngela brahcn of vagus

Question 11

what is in the first arch

Answer 11

inner ear, incluidng maloeus and inus and meckle cartilage

Question 12

what is in the second arch

Answer 12

staples
styloid process
stylohyoid liganent
lesser horn of the hyloid bone

Question 13

what is in the 3rd branch

Answer 13

greater horn of the hyoid bone,
body of the hyoid bone

Question 14

what is inthe 4th branch

Answer 14

thydoid cartilage

Question 15

what is in the 6th branch

Answer 15

critocoid cartilage

Question 16

what are the 5 parts that develp the face

Answer 16

1 - frontonasal process
2 - maxillary processes
2 - mandiblar proceses

Question 17

what is the frontonasl proces

Answer 17

from the mesenchyme superior to the futre mouth

Question 18

what is the mxailly proces origin form

Answer 18

from maxillary part of first brahcla arch mesodarm

Question 19

where doe shte mandibular proces origin form

Answer 19

1st arch mesoderm

Question 20

how does the nasal part form

Answer 20

ectodermal thickening happens

Question 21

what is the philturm

Answer 21

where the medial nasl pres goes down war and connect together

Question 22

stadges of palate formation

Answer 22

1 - meidal nasla process which forms philtrum
stage 2 - palastine shelfes grow inward
stadge 3 - palatine shelves meet in th midline to form the secondary palate

Question 23

what proces forms mid part of nose

Answer 23

medial nase pocesses

Question 24

wher do medila ndal proces come form

Answer 24

the forntal processes

Question 25

what forms the crial vault flat bones

Answer 25

membarne bones form membranous ossificatio clavaria

Question 26

what forms the base of skull bones

Answer 26

endochondila ossification

Question 27

what forms the viscerocranium bones

Answer 27

branchla arches and sensoery capsules

Question 28

how do mesenchymal ossify

Answer 28

directy

Question 29

where does he mesenchyme derive from

Answer 29

mesoderm

Question 30

what makes the mesencyme

Answer 30

neural crest cells

Question 31

how does the mesencyme form into thebase of the skull

Answer 31

cartiles gorw sareound endyge and tey ossify creating neural crest

Question 32

wher doe the sensory captules in the base of the skull ocme fomr

Answer 32

somites

Question 33

what happens two the 2 parts oth etrip lameid disk where there is no mesoderm

Answer 33

mouth and anus formation

Question 34

what layer folds to form neual tube

Answer 34

ectoderm

Question 35

what cells in the neualr tube separtre

Answer 35

neuotrube crest cells to beomce a waide verity of stucre in the head and neck

Question 36

which brahcil arches does the tounge deveop from

Answer 36

first 4