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CCEB - CARDIOVASCULAR EMBRYOLOGY AND ANATOMY EXAM
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CCEB - CARDIOVASCULAR EMBRYOLOGY AND ANATOMYEXAM 2024-2025
When do the majority of the heart's internal and exterior structures become
established? - Answer: 4-8 weeks, but function little.
After birth, the foramen oval transforms to ____ - Fossa ovalis.
After birth, the ductus venous develops into ____ - ANSWER Ligamentum
Venosum
After birth, the ductus arteriosus transforms into ___ - ANSWER Ligamentum
arteriosum
After birth, the umbilical vein becomes ___ - ANSWER Ligamentum teres.
After birth, the umbilical arteries develop into the _____. - ANSWER Medial
umbilical ligaments
How do blood and nutrients reach to the foetus? ANSWER Umbilical vein.
What directs blood flow away from a fetus's partially functional liver? - ANSWER
Ductus Venousus
What allows oxygenated blood from the umbilical vein to travel through the right
side of the heart? - ANSWER Foramen ovale
What joins the aorta and pulmonary artery in the womb? - ANSWER Ductus
arteriosus
, Two types of bands in cardiac muscle tissue: ANSWER I bands (light). A band
(dark).
Tunica Intima is the inside layer of a blood artery comprised of simple squamous
epithelium and contains elastic lamina.
Tunic Media - ANSWER The middle layer of the blood vessel is formed of smooth
muscle.
Tunica Adventitia - ANSWER The outer layer of a blood artery wall is made up of
elastic and fibrous connective tissues.
Do capillaries have the regular layers of a vessel? - Answer No.
Job of capillaries - ANSWER Connect the arterial and venous systems, exchanging
nutrition, oxygen, and waste (ONLY TUNICA INTIMA).
3 types of capillaries: continuous, fenestrated, and sinusoidal.
Three types of arteries: elastic (big, like the aorta), muscular (distributing), and
arterioles.
Types of veins: venules (smallest), medium-sized veins (one-way valves), and huge
veins (longitudinal smooth muscle).
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