EMBRYOLOGY

Question 1

good fathers can give every orgasm (without) fail

Answer 1

gametogenesis
fertilisation
cleavage
gastrulation
embryonic folding
organogenesis
foetal period

Question 2

what enzymes of sperm penetrate oocyte

Answer 2

acrosomes

Question 3

what prevents polyspermy

Answer 3

cortical granules under plasma membrane

Question 4

when is cleavage

Answer 4

days 1-4

Question 5

what comes before blastocyst

Answer 5

zygote then morulla

Question 6

are epiblasts ventral

Answer 6

no dorsal

Question 7

layers of trilaminar disc + when

Answer 7

week 3
ecto
meso
endo

Question 8

ectoderm fatte

Answer 8

CNS PNS epidermis, oral, nasal and anal epithelium

Question 9

endoderm fate

Answer 9

epithelial linings of gut and resp and urinary tracts

Question 10

foetal growth period involves

Answer 10

growth
functionality of organs
sex differentiation
bones and CNS laid out

Question 11

secondary embryonic processes

Answer 11

axis formation

folding

Question 12

controls of development

Answer 12

epi/genetic, environmental

Question 13

abnormal implantation

Answer 13

ovary, ampulla, peritoneum, uterine tubem lower uterus, cervix

Question 14

when is implantation

Answer 14

days 5-6

Question 15

what forms the placenta

Answer 15

sycytiotrophoblasts

Question 16

what cells form amniotic cavity

Answer 16

epiblasts

Question 17

what cells for yolk sac

Answer 17

hypoblasts

Question 18

when does bilaminar -> trilaminar from primitive streak

Answer 18

end of week 3

Question 19

paraxial mesoderm fate

Answer 19

axial skeleton, voluntary muscle, dermis

Question 20

intermediate mesoderm fate

Answer 20

urogenital tract

Question 21

lateral mesoderm fate - visceral

Answer 21

CV system, visceral peritoneum, smooth muscle

Question 22

lateral mesoderm fate - somatic

Answer 22

peritoneum, dermis, limbs