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Systems 2 - GI > Embryology > Flashcards

Embryology Flashcards

1
Q

primative gut tube

A

week 4-5

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2
Q

parasympathetic hind gut supply

A

pelvic splanchnic (to sacral plexus)

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3
Q

oropharyngeal membrane ruptures

A

4 weeks

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4
Q

external arches to form face muscles and skeleton innervation - 1

A

CNV

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5
Q

external arches to form face muscles and skeleton innervation - 2

A

CNVII

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6
Q

external arches to form face muscles and skeleton innervation - 3

A

CNXI

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7
Q

external arches to form face muscles and skeleton innervation - 4

A

CNX

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8
Q

external arches to form face muscles and skeleton innervation - 5

A

disappears

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9
Q

internal pouch develops into… (1)

A

auditory tube

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10
Q

internal pouch develops into… (2)

A

palatine tonsil

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11
Q

internal pouch develops into… (3)

A

inf parathyroid and thymus

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12
Q

internal pouch develops into… (4)

A

sup parathyroid and parafollicular cells of thyroid

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13
Q

lung buds of oesophagus at…

A

4 weeks

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14
Q

stomach dilates and rotates at…

A

week 4

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15
Q

liver and gall bladder endodermal budding at…

A

week 3

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16
Q

liver = major haemopoietic organ for…

A

week 10 - month 7

17
Q

cyctic diverticulum –> gallbladder—> bile production

A

week 12

18
Q

spleen origin

A

NOT endoderm tube –> mesoderm (dorsal mesogastrium)

19
Q

spleen develops at…

A

week 5

20
Q

midgut develops from primary intestinal loop at…

A

week 5

21
Q

midgut elongates and coils at…

A

week6-10

22
Q

anorectal canal develops from…

A

cloaca (posterior)

23
Q

urogenital sinus develops from…

A

allantois (anterior)

24
Q

upper 2/3 anus origin

A

endoderm –> from cloaca

25
Q

lower 1/3 anus orgin

A

ectoderm–> from anal pit

Systems 2 - GI (5 decks)

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