all embryology quick flashcards

Question 1

ectoderm

Answer 1

adrenal medulla
sweat glands
CNS and PNS
skin
hair
nails
appendages

pretty much accessory stuff

Question 2

mesoderm

Answer 2

kidneys and ureters
reproductive system
bone and cartilage
muscles
vasculature
lymphatics
spleen
adrenal cortex

pretty much internal organs, reproduction, immune and structural stuff
as well as adrenal cortex

Question 3

endoderm

Answer 3

GI tract
liver
endocrine system
respiratory tract
bladder
urethra

digesting food, endo crine, breathin, releasing pee

Question 4

day 2

Answer 4

cleavage

Question 5

day 3

Answer 5

compaction

Question 6

day 4

Answer 6

differentiation

Question 7

day 5

Answer 7

cavitation
blastocyst formed
outer trophoblast - outer cell mass
innercell mass

Question 8

day 6

Answer 8

zona hatching

Question 9

day 7

Answer 9

implantation

Question 10

day 9

Answer 10

inner cell mass differentiation into epiblast, hypoblast, trophoblast

Question 11

day 12

Answer 11

bilaminar disc formed
mesoderm formation

Question 12

day 18

Answer 12

mesoderm spreading

Question 13

day 23

Answer 13

amniotic sac enlargement

Question 14

what lines amniotic cavity?

Answer 14

epiblasts

Question 15

what lines yolk sac

Answer 15

hypoblasts

Question 16

trophoblast layers

Answer 16

inner cytotrophoblast
outer syncytiotrophoblast

Question 17

gastrulation

Answer 17

week 3
migration of epiblast cells through the primitive streak
epiblasts become ectoderm
hypoblasts become endoderm
mesoderm from epiblast migration through primitive streak

Question 18

vitelline duct

Answer 18

midgut to yolk sac