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Embryo > Great Vessel Development > Flashcards

Great Vessel Development Flashcards

1
Q

Aortic sac becomes…

A

Brachiocephalic trunk and Proximal aortic arch

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2
Q

Aortic arch a #1 becomes…

A

Part of maxillary aa.

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3
Q

Aortic arch a. #2 becomes…

A

Stapedial and Hyoid aa.

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4
Q

Aortic arch a. #3 becomes…

A

Common and internal carotid aa.

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5
Q

Aortic arch a. #4 becomes…

A

Right subclavian a. and part of aortic arch

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6
Q

Aortic arch a. #6 becomes…

A

Ductus Ateriosis (embryo)—> ligamentum arteriosum (adult)

Proximal pulmonary aa.

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7
Q

Intersegmental aa. becomes…

A

Interconstal aa.; Lumbar aa.; Common iliac aa.; Parts of vertebral, subclavian, and lateral sacral aa.

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8
Q

Umbilical aa becomes…

A

Inferior mesnteric a.; Common iliac aa.; Internal iliac and superior vesical aa.

Median umbilical ligaments in adult

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9
Q

Vitelline aa. becomes…

A

Celiac trunk and superior mesenteric a.

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10
Q

Function of Vitelline vv.

A

Blood from yolk sac to sinus venosus

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11
Q

Function of Umbilical vv.

A

Oxygenated blood from mother to embryo

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12
Q

Function of Cardinal vv.

A

Draining body of embryo

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13
Q

What vein forms a plexus and what is the plexus called

A

Vitelline vv. and gives rise to hepatic sinusoids

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14
Q

Portal Vein formed by…

A

network around duodenum

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15
Q

Superior Mesenteric Vein derived from…

A

right vitelline v.

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16
Q

Only vein to carry blood from placenta to liver?

A

left umbilical v.

17
Q

What structure bypasses the sinusoidal plexus of the liver?

A

Ductus Venosus

18
Q

Left umbilical v. will become…

A

Ligamentum teres hepatis

19
Q

Ductus venosus becomes…

A

ligamentum venosum

20
Q

Anterior Cardinal v. drains…

A

cephalic part of embryo

21
Q

Posterior Cardinal v. drains…

A

rest of embryo

22
Q

Common cardinal vv. does what?

A

Joins anterior and posterior vv

23
Q

What does the subcardinal, sacrocardinal, and supracadinal vv. drain?

A

sub: Kidneys
Sacro: lower extremities
Supra: Body wall

24
Q

what forms between the anterior cardinal vv.

A

An anastomosis

25
Q

Anterior Cardinal vv. will form:

A
  1. Left Brachiocephalic v. (This is the anastomose)
  2. Superior Vena Cava (also formed by proximal portion of right common cardinal)
  3. Internal Jugular v.
26
Q

Subcardinal v. will form:

A
  1. Left renal v.

2. Renal segment of inferior vena cava

27
Q

Sacrocardinal v. will form:

A
  1. Left common iliac v.

2. Sacrocardinal segment of inferior vena cava

28
Q

Supracardinal v along with posterior cardinal v. form:

A

Azygos and Hemiazygos

29
Q

Inferior vena cava is formed by what 2 veins?

A

Sub and sacro cardinal vv.

Embryo (3 decks)

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