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In a developing chicken embryo, what blood vessels enter into the common cardinal vein?
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- In a developing chicken embryo, from which layer of the hypomere is the endocardium and epimyocardium derived? How many ventricles are present at the 72-hour stage?In adult mammals, where does blood go directly after it leaves the right ventricle?Name the veins that return blood to the right atrium.
- What are the fetal blood vessels that underwent transformation as a result of transition from a fetus to a newborn?A blood sample taken from the umbilical cord contains high levels of oxygen and nutrients, and low levels of carbon dioxide and waste products. Is thissample from an umbilical artery or from the umbilical vein? Explain.Which vein returns blood from the abdominopelvic viscera to the heart?
- What are the fetal blood vessels that underwent transformation as a result of transition from a fetus to a newborn, and the underlying reasons behind these changes?Compare the origins of the external and internal iliac arteries of the fetal pig with those of the human.Locate the following blood vessels (in bold) in the fetal pigl Arteries: aorta (arch)---dorsal to the pulmonary trunk anterior vena cava and posterior vena cava. brachiocephalic artery--- the first branch off the aorta The brachiocephalic artery branches into three other arteries: the right subclavian (passes under the clavicle), and the right and left carotid arteries The right subclavian continues and becomes the right axillary then right brachial artery. The left subclavian artery is dorsal to the brachiocephalic off of the aortic arch Follow the aorta dorsally where it becomes the dorsal or descending aorta , then the abdominal aorta The renal artery that connects the kidney to the medial abdominal aorta At about the level of the renal artery, you may see the very tiny (diameter) gonadal arteries. The abdominal aorta terminates in four branches: the right and left external iliac, and the right and left internal iliac arteries. The…