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Answered 2010-02-10 00:32:32
The Cerebrospinal Fluid is absorbed into the venous blood in the dural sinuses through the arachnoid villi. Arachnoid villi connect the subarachnoid space to the superior sagittal sinus.
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What drains venous blood from the brain and delivers it to the internal jugular veins?
dural venous sinuses
What drains cerebrospinal fluid in to venous blood in the dural sinus?
Answer: Arachnoid Villi
Structure that return cerebrospinal fluid to the venous blood in the dural sinuses?
Arachnoid Villi
Structures that return cerebrospinal fluid to the venous blood in the dural sinuses?
i think its the arachnoid villi
What structures are instrumental in returning cerebrospinal fluid to the venous blood in the dural sinuses?
arachnoid villi
Structures instrumental in returning cerebrospinal fluid to the venous blood in th dural sinuses?
Arachnoid Villi
Structures instrumental in returning cerebrospinal fluid to the venous blood in the dural sinuses?
The answer that I have found is the Arachnoid Villi-Lucein
What do we call the fluid that is enclosed within the venous sinuses?
The fluid that is in the dural venous sinuses is venous blood that originates from the brain or cranial cavity. They collect blood from veins on the surface of the brain. Blood from the sinuses empties into the internal jugular veins
What is found within the dural sinuses of the brain?
Venous blood
What are cavities that filled with blood and help drain cerebrospinal fluid?
dural sinuses
Structures instrumental in returning cerebrospinal fluid to the venous blood?
arachnoid villi
What purpose do sinuses serve in the skull?
The air-filled paranasal sinuses and their mucous tissue linings help regulate the temperature and humidify the air breathed in, lighten the bone structure and weight of the skull, and give tone to the voice. It is not entirely clear what the skull's blood-filled cranial venous sinuses' full purposes are, but they do function to help the collection and return flow of venous blood and cerebrospinal fluid drainage from the tissues and veins in the cranium and back to the heart.
What vein drains venous blood from the myocardium into the coronary sinus?
cardiac
A large channel that drains deoxygenated blood is called?
venous sinus
How does the lymphatic function with the circulatory system?
It drains leaked plasma back into the (venous) blood.
Fill in the following flowchart to indicate the path of cerebrospinal fluid from its formation site to where it is reabsorbed into the venous blood?
lateral
When vessels which function as blood reservoirs when sympathetic nerve impulses cause constriction of their walls?
These vessels are called venous sinuses. They act as blood reservoirs and are part of the venous or return portion of the cardiovascular system.
How does Blood flow to the heart?
Blood courses along veins back towards the heart. The veins have one way valves to prevent back flow. Venous blood from below the heart drains into the inferior vena cava. Venous blood from above the heart drains into the superior vena cava. These empty into the right atrium.
What does the superior sagital sinus drain into?
The superior sagittal sinus is an area above/behind the brain, which allows blood veins to span the area, from the top of the head towards the back. It is believed that the CSF drains through the arachnoid villi into the dural venous sinuses of the superior sagittal sinus. The CSF then drains into the internal jugular veins.
What is the difference between a sinus and a vein?
The dural venous sinus or venous sinus as it can be called is: - Formed by dura mater in the brain, - Also receives great veins which drain blood into them, - It also, receives cerebrospinal fluid (CSF) from the subarachnoid space which drain into them. - The dura mater which form the sinuses are unalterable in capacity (that is, inelastic). unlike The a Vein which: - Only receives venous tributaries - Do not receives CSF into them - is potentially able to alter its capacity
What are 'venous lakes'.?
Thin-walled collections of blood, resembling blood blisters, found commonly in the ears and less often on the lips and on the face and neck of elderly sun-damaged men, discontinuous venous cavities or channels; Cf.: marginal sinuses of placenta. http://cancerweb.ncl.ac.uk/cgi-bin/omd?venous+lakes
What does venous blood contain?
Venous blood contains oxygen-poor blood.
Does everyone have venous blood?
Yes. If they are alive, they will have venous blood, which carries blood to the heart.
Carbon dioxide concentrations higher in arterial blood or venous blood?
venous blood
What is the path of the cerebrospinal fluid from formation to venous blood?
Within the brain, the cerebrospinal fluid circulates from the two lateral ventricles(in the cerebral hemispheres) into the third ventricle and then through the cerebral aqueduct of the midbrain into the fourth ventricle. From the fourth ventricle, some fluid continues down the central canal of the spinal cord, but the bulk of it circulates into the subarachnoid space via three openings in the walls of the fourth ventricle. the fluid returns to the blood in the dural sinuses via the arachnoid villi. Biology Major Student
