Embryology Flashcards
(25 cards)
primative gut tube
week 4-5
parasympathetic hind gut supply
pelvic splanchnic (to sacral plexus)
oropharyngeal membrane ruptures
4 weeks
external arches to form face muscles and skeleton innervation - 1
CNV
external arches to form face muscles and skeleton innervation - 2
CNVII
external arches to form face muscles and skeleton innervation - 3
CNXI
external arches to form face muscles and skeleton innervation - 4
CNX
external arches to form face muscles and skeleton innervation - 5
disappears
internal pouch develops into… (1)
auditory tube
internal pouch develops into… (2)
palatine tonsil
internal pouch develops into… (3)
inf parathyroid and thymus
internal pouch develops into… (4)
sup parathyroid and parafollicular cells of thyroid
lung buds of oesophagus at…
4 weeks
stomach dilates and rotates at…
week 4
liver and gall bladder endodermal budding at…
week 3
liver = major haemopoietic organ for…
week 10 - month 7
cyctic diverticulum –> gallbladder—> bile production
week 12
spleen origin
NOT endoderm tube –> mesoderm (dorsal mesogastrium)
spleen develops at…
week 5
midgut develops from primary intestinal loop at…
week 5
midgut elongates and coils at…
week6-10
anorectal canal develops from…
cloaca (posterior)
urogenital sinus develops from…
allantois (anterior)
upper 2/3 anus origin
endoderm –> from cloaca
