what structure gives rise to the umbilical blood vessels?
what structure gives rise to the umbilical blood vessels?
Homework Answers
The placenta connects to the conceptus via the umbilical cord, which carries deoxygenated blood and wastes from the fetus through two umbilical arteries; nutrients and oxygen are carried from the mother to the fetus through the single umbilical vein.
The fully patent umbilical artery has two main layers: an outer layer consisting of circularly arranged smooth muscle cells and an inner layer which shows rather irregularly and loosely arranged cells embedded in abundant ground substancestaining metachromatic. The smooth muscle cells of the layer are rather poorly differentiated, contain only a few tiny myofilaments and are thereby unlikely to contribute actively to the process of post-natal closure
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5) Describe the blood vessels involved in coronary circulation 6) Explain the pathway (or blood vessels)...
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Microscopic Structure of the Blood Vessels l views of an artery and of a vein are shown here Identily each, on the lines to the sides, note the structural details that enabled you...
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Nitroglycerin causes blood vessels to ____________ and blood pressure to______________?
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Which of the following types of blood vessels act as a blood reservoir?
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Part A Drag the labels to identify the heart chambers and the blood vessels of the...
Part A Drag the labels to identify the heart chambers and the blood vessels of the systemic and pulmonary circuits. Reset Help Pulmonary Circuit Left ventricle Systemic Circuit Left atrium Blood vessels in head, neck, upper limbs Blood vessels in lungs The Heart Right ventricle Right atrium Blood vessels in trunk and lower limbs Submit Request Answer
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5) Describe the blood vessels involved in coronary circulation 6) Explain the pathway (or blood vessels) involved in pulmonary and systemic circuit.
Microscopic Structure of the Blood Vessels l views of an artery and of a vein are shown here Identily each, on the lines to the sides, note the structural details that enabled you to make these identifications (vessel type) (vessel type) Now descibe each tunic more fully by selecting ts characteristics from the key below and placing the approprate key lettes on the answer lines Tunica intima Tunica media Tunica externa Key: a innermost tunic b. most superficial tunic regulates...
Part A Drag the labels to identify the heart chambers and the blood vessels of the systemic and pulmonary circuits. Reset Help Pulmonary Circuit Left ventricle Systemic Circuit Left atrium Blood vessels in head, neck, upper limbs Blood vessels in lungs The Heart Right ventricle Right atrium Blood vessels in trunk and lower limbs Submit Request Answer
Sample Question Which of the following blood vessels carries blood towards the heart? This is a process which removes unneeded cloth when healing has occurred. Without this, blood vessels would gradually become completely blocked.
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