Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
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4. ____ Umbilical ve<strong>in</strong>s: This is the ve<strong>in</strong> you first cut whenopen<strong>in</strong>g the abdom<strong>in</strong>al cavity; locate the rema<strong>in</strong><strong>in</strong>g stub asit leaves the umbilical cord and also the stub where it entersthe liver.a. Where did the umbilical ve<strong>in</strong> come from? Was thisblood rich <strong>in</strong> oxygen or poor <strong>in</strong> oxygen?_________________________________________D. The Arterial System: This system is <strong>in</strong>jected with red latex. Manyarteries have the same names as the ve<strong>in</strong>s. They also run parallel to theve<strong>in</strong>s. You can th<strong>in</strong>k of the circulatory system like a divided highway.The roads are parallel with the cars travel<strong>in</strong>g <strong>in</strong> opposite direction.i. ____ Pulmonary arteryii. ____ Aortic archiii. ____ Aortaiv. ____ Brachiocephalic artery: The first branch leav<strong>in</strong>g the aorticarch and go<strong>in</strong>g anteriorly. This artery divides <strong>in</strong> to the carotic andsubclavian arteries.v. ____ Common carotid arteries: One runs up either side of thetrachea. They deliver blood to the head.vi. ____ Subclavian arteries: Branches of the brachiocephalic that run<strong>in</strong> to the right and left forelegs.vii. ____ Thoracic aorta: Portion of the aorta that runs through thethoracic cavity. Push the heart and lungs way over to one side ofyour pig to see the large, hard, white vessel that runs along thedorsal wall from the heart to the abdomen.viii. ____ Intercostal arteries: T<strong>in</strong>y branches of the thoracic aortarunn<strong>in</strong>g parallel to each rib.ix. ____ Abdom<strong>in</strong>al aorta: Cont<strong>in</strong>uation of the thoracic aorta that runs<strong>in</strong>to the abdom<strong>in</strong>al cavity. Move the viscera (guts) to see it.x. ____ Renal arteries: Run from the abdom<strong>in</strong>al aorta to the kidneys.xi. ____ Iliac arteries: Run from the abdom<strong>in</strong>al aorta to the h<strong>in</strong>d legs.