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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?
CSF is produced in the choroid plexus of each ventricle. The choroid plexus is composed of ependymal cells and the cappilaries within the pia mater. CSF is derived from blood plasma. Simular except they differ in ion concentrations. CSF has to be pure of any chemicals or drugs to be allowed to touch the brain. The choroid plexus filters the blood plasma secreted by the ependymal cells to coat the CNS and add buyoancy. CSf starts as blood. The heart pumps it up to the choroid plexus where it is filtered of all proteins, lipids, chemicals, heavy ions, and any other formed elements in blood and waste products in plasma. Once it is collected in the choroid plexus of the lateral ventricles, it goes down into the third ventricle via the cerebral aqueduct and into the fourth ventricle. From the fourth ventricle it exits through either the lateral aperature or the median aperature located on the roof of the fourth ventricle. That exit leads to the subarachnoid space and it coats the CNS removing wastes, adding nutrients, and provididng buoyancy and stability for the brain. CSF enters thearachnoid villi and by force of pressure a on the CSF it is allowed to enter the dural venuouss sinuses without permitting any venuous blood to enter the subarachnoid space. The dirty plasma leaves and enters the blood stream to be filtered by the kidneys and secreted in urine.
What else can I help you with?
Organ responsible for feces formation?
Human feces (or stools) are produced by the entire digestive system.
Does the cortex wrinkle as a result of fluid filling the brain over the lifespan?
Yes, the cortex wrinkles as a result of cerebrospinal fluid filling the brain over the lifespan. This natural process is known as gyri formation and is essential for increasing the surface area of the brain within the limited space of the skull.
What factor initiates the coagulation cascade in vivo?
In vivo, the coagulation cascade is initiated by tissue factor (TF) which is exposed to blood following vessel injury. TF forms a complex with factor VIIa, leading to activation of Factor X and subsequent activation of thrombin, resulting in fibrin formation and clot formation.
Which of the following would you not associate with turbidity currents?
Turbidity currents are not associated with clear water conditions or low sediment concentrations.
What are the best primers for the PCR reaction that possess the feature of having the following characteristics?
The best primers for PCR should have the following characteristics: specificity to the target DNA sequence, appropriate length (usually 18-22 nucleotides), balanced GC content (40-60), absence of self-complementarity or secondary structures, and minimal primer-dimer formation.
Damage to ependymal cells would most likely affect the?
damage to ependymal cells would most likely affect the production and circulation of cerebrospinal fluid within the brain and spinal cord. This could lead to conditions such as hydrocephalus due to impaired fluid balance.
Organ responsible for feces formation?
Human feces (or stools) are produced by the entire digestive system.
Which of the following gases has the greatest percentage in the formation of atmosphere?
Nitrogen
What of the following did not occur during the Cenozoic era?
The formation of the ozone layer
Whis of the following events are optional a battalion activationdeactivation ceremony?
the adjutant is responsible for the formation of troops. once all units are formed, which of the following correctly describes the adjutants post in formation
Complications of healing by scar formation?
potential complications after healing by scar formation include all the following except...A. lack of sensory function in the areaB.contractures and adhesionsC.INCREASED HAIR GROWTHD.keloid formation
How can you know this is a chemical reaction?
Evidence of a chemical reaction include the following: formation of a precipitate formation of a gas change in temperature change in color
Series of reactions that stop blood flow following a cut?
Clot formation.
Which of the following is true of tornadoes?
Tornadoes follow a predictable pattern of formation and dissipation.
Which of the following resulted in the formation of yosemite valley in the sierra nevada?
Glacial erosion
When the egg or ovum is raptured then what happens?
When an egg or ovum is "ruptured," it is typically released from the ovary during ovulation. If fertilization occurs, the sperm will penetrate the egg, leading to the formation of a zygote. If fertilization does not occur, the egg will disintegrate and be reabsorbed by the body.
Where does most of the fluid go after glomerular filtrtion?
Glomerular filtration is part of the process in the formation of urine. After the process of glomerular filtration is carried out, most of the fluid goes into the glomerular capsule and then into the renal corpuscle. Some of the fluid is reabsorbed by the body.
