Embology 3

Question 1

what does foldin of the endoderm give rise to

Answer 1

foregut, midgut ane dhind gut

Question 2

what does the fore gut give rise to

Answer 2

lung bud

Question 3

what does the lung bud deveop into

Answer 3

trachea and lungs

Question 4

where does the pluearl form from for the lung

Answer 4

lateral plate mesoderm

Question 5

at what age does the osopgus form

Answer 5

4 weeks

Question 6

where does hte primitive foregut arrise from

Answer 6

endoerm

Question 7

where is the trachea in relatoin to the oesophagus

Answer 7

anterior

Question 8

what seperates the trachea and the esophougs

Answer 8

oesphagotraceal septum

Question 9

fistula

Answer 9

abnormal passage between 2 epitheliszed tubes or surfaces

Question 10

atreisiae

Answer 10

a condition in whch an orifies or passage in the body is closed or absent

Question 11

what tissue becomes the visceral pluera

Answer 11

splanchnic

Question 12

what tissue becomes the pariental pleuar

Answer 12

somatic

Question 13

space between splanic and somatic mesoderm which has not formed yet

Answer 13

pericardoperitoneal canal

Question 14

what grows to seal fof the pluarl cavity

Answer 14

pleuropericardial

Question 15

what are the 5 stadges of development In lung buds

Answer 15

embroyoinci, pseudoglandular, canalicular, saccular, aveolar

Question 16

what is the emyoyic stadge

Answer 16

treacha, right and left bronci, segmental bronchi

Question 17

what ar teh pseudoglandular phase

Answer 17

termial bronchiles pulmonary artery and veins

Question 18

what is the canalicualr phase

Answer 18

respiratory bronchoii, alveolar ducts, primitive alveoli, alveoliar cappilaryes

Question 19

what is the saccular phase

Answer 19

gas exchange, alveoliwhat i

Question 20

what is the alveolary phae

Answer 20

separtiona nd multiplactio of alveol

Question 21

what do respiraty destess syndrom often has lots of what type of cell tissue

Answer 21

hyaline

Question 22

lung angensis

Answer 22

failure of a lung bud to branch and develop

Question 23

teragens

Answer 23

exspore to anything during pregancy that the feoutus should not be exposed to

Question 24

pulmoary hypoplasia

Answer 24

abnoromaly low number/ size of bronchopulomar segems/ alveoli

Question 25

septum tranversium

Answer 25

arrises from cardiomesodre and migrades downwards to from the cnetal tendon of the diaphroam

Question 26

pleuroperineal folds

Answer 26

grow in from body wall to fuse the septum transversum - seal of pleuar cavits form perinal cavitse

Question 27

skeletal musles

Answer 27

grows in from body wall to cover the plurpertnotal folds, forms muscular part of the diaprham

Question 28

dorsal mesentery of oesophagus

Answer 28

attaches embryonic oesophagus to the posterior thoracic wall, skeletal muscle ingrowth from body wall, then covers dorsal mesentery of each side to form left and right diapthatic cuvre

Question 29

hernia

Answer 29

protusion of an organ through a structure or musles that contains it

Question 30

foramen of Morgagni

Answer 30

incomplete fusion of septum tranverseum and sternum and anterior ribs

Question 31

foramen of bochdalek

Answer 31

failure of pleural neal fold to form, resulting in hernia towards the posterior allowing organs to gain entry