Great Vessel Development Flashcards
Aortic sac becomes…
Brachiocephalic trunk and Proximal aortic arch
Aortic arch a #1 becomes…
Part of maxillary aa.
Aortic arch a. #2 becomes…
Stapedial and Hyoid aa.
Aortic arch a. #3 becomes…
Common and internal carotid aa.
Aortic arch a. #4 becomes…
Right subclavian a. and part of aortic arch
Aortic arch a. #6 becomes…
Ductus Ateriosis (embryo)—> ligamentum arteriosum (adult)
Proximal pulmonary aa.
Intersegmental aa. becomes…
Interconstal aa.; Lumbar aa.; Common iliac aa.; Parts of vertebral, subclavian, and lateral sacral aa.
Umbilical aa becomes…
Inferior mesnteric a.; Common iliac aa.; Internal iliac and superior vesical aa.
Median umbilical ligaments in adult
Vitelline aa. becomes…
Celiac trunk and superior mesenteric a.
Function of Vitelline vv.
Blood from yolk sac to sinus venosus
Function of Umbilical vv.
Oxygenated blood from mother to embryo
Function of Cardinal vv.
Draining body of embryo
What vein forms a plexus and what is the plexus called
Vitelline vv. and gives rise to hepatic sinusoids
Portal Vein formed by…
network around duodenum
Superior Mesenteric Vein derived from…
right vitelline v.
Only vein to carry blood from placenta to liver?
left umbilical v.
What structure bypasses the sinusoidal plexus of the liver?
Ductus Venosus
Left umbilical v. will become…
Ligamentum teres hepatis
Ductus venosus becomes…
ligamentum venosum
Anterior Cardinal v. drains…
cephalic part of embryo
Posterior Cardinal v. drains…
rest of embryo
Common cardinal vv. does what?
Joins anterior and posterior vv
What does the subcardinal, sacrocardinal, and supracadinal vv. drain?
sub: Kidneys
Sacro: lower extremities
Supra: Body wall
what forms between the anterior cardinal vv.
An anastomosis
Anterior Cardinal vv. will form:
- Left Brachiocephalic v. (This is the anastomose)
- Superior Vena Cava (also formed by proximal portion of right common cardinal)
- Internal Jugular v.
Subcardinal v. will form:
- Left renal v.
2. Renal segment of inferior vena cava
Sacrocardinal v. will form:
- Left common iliac v.
2. Sacrocardinal segment of inferior vena cava
Supracardinal v along with posterior cardinal v. form:
Azygos and Hemiazygos
Inferior vena cava is formed by what 2 veins?
Sub and sacro cardinal vv.
