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The Heart
Tufts D17 Test V
19
Anatomy
Professional
11/25/2013

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Cards

Term
Dorsal myocardium needs to break down
Definition
It breaks down to create a tube that will fold and form a 4 chambered heart.
Term
What functions does he transverse pericardial sinus have
Definition
Permit heart looping during development. Allows expansion of great vessels
Term
What happened when the Celia don't function during formation
Definition
Primary culinary dyskinesis can lead to dextrocardia where the heart faces the wrong way
Term
When does atrial septation and ventricle septation occur?
Definition
4-8 weeks.
Term
The vitelline veins develop into what?
Definition
Capillary beds inside the liver
Term
What does the left and right umbilical vein form?
Definition
falciform ligament on the right and the left dissapears
Term
intussusception
Definition
The atrium made up of the right horn of venus sinus making Cristal terminals.
Term
What do the pulmonary veins get incorporated into?
Definition
Smooth part of left atrium
Term
endocardial cushions
Definition
contribute to he a/v septa, aorticopulmonary septum, Av nodes. The septum intermedium forms walls from the cushions
Term
All the venous blood goes through the
Definition
foramen oval, or ductus arteriosus
Term
As septum gowns down from the atrial wall it forms
Definition
ostium primus.
Term
The second opening in the atrium that forms via apoptosis is
Definition
ostium secundum
Term
What covers ostium secondum
Definition
Septum secundum comes down as two arcs
Term
What are the two parts of the ventricular septum
Definition
Muscular and membranous. Muscular grows by myoblast proliferation.
Term
The septum must align with what?
Definition
The trounces arteriousus so that it can form aorta + pulmonary trunks
Term
The septum has to do a 180 turn or what
happens
Definition
The blood will got from the right ventricle to the aorta and from left ventricle to the lungs
Term
What is persistent truncus arteriousus
Definition
When the septum doesn't form
Term
Transposition of the great vessels
Definition
This is when the septum doen't spiral
Term
Tetrology of fallot
Definition
Anterior displacement of the septum which causes misalignment of aorticopulmonary & jmembranous IV septum
-overriding aorta leading to venous arterial mixing. Hypertrophy happens on the right side
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