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The origins of the brachiocephalic veins of the cat with those of the human?
In the human, the brachiocephalic vein is formed by the union of the internal jugular and the subclavian vein on each side. In the cat, the brachiocephalic vein is formed by the union of the external jugular and the subclavian vein on each side.
What vein does the external jugular vein drain into?
subclavian vein
Where does the thoracic duct join the venous system?
The thoracic duct joins the venous system at the junction of the left subclavian vein and the internal jugular vein, near the base of the neck.
Through what structure does the internal jugular vein exit the skull?
The internal jugular vein is formed from the sigmoid sinus (after receiving the lesser petrosal sinus) just after passing through the jugular foramen to become the internal jugular vein.
What is the vein that drains the brain?
internal jugular!
How do the relative size of the external and internal jugular veins differ in humans and the cat?
In humans there is one external and one internal jugular vein. The internal jugular vein is much larger (about twice the diameter) of the external jugular. In the cat there are a pair of each vein but the external jugular vein is about twce as large as the internal. (Opposite of humans.)
What does the thoracic duct of the lymphatic system empties into?
It drains into the systemic (blood) circulation at the left brachiocephalic vein between the left subclavian and left internal jugular veins.
What is the Superior bulb of the internal jugular vein?
A dilatation in the upper part of the internal jugular vein near it's origin and lies in the jugular fossa in the base of the skull.....
What vein is formed by union of axillary and cephalic?
the subclavian vein
How long is the jugular vein?
The external jugular vein can be around 5-20 cm long, varying from person to person. The internal jugular vein is typically longer than the external jugular vein.
Blood flows from the superior vena cava into the?
Blood goes from the vena cava into the right atrium of the heart
Where does the internal jugular vein get blood from?
The Brain
