Cerebrospinal Fluid (CSF and Blood Brain Barrier (BBB)

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

What are the functions of CSF?

1. Buoyancy (Maintain brain shape) 2. Support and cushion brain 3. Environmental maintenance 4. Hormone transport

Which locations of the CNS have reduced or missing BBB?

1. Choroid plexus 2. Hypothalamus 3. Pineal gland

What are the four ventricles and what is their purpose?

1. Lateral ventricles (Left and right) 2. Third ventricle (Medial) 3. Fourth ventricle (Inferior Holds CSF

What is the BBB formed b?

Astrocytes

What colorless fluid circulates in the ventricles and subarchnoid space?

CSF

What is the capillary-rich membrane in the roofs of the four ventricles and consists of a layer of ependymal cells?

Choroid plexuses

Where is CSF made?

Choroid plexuses

What is the circulation of CSF?

Lateral ventricles ==> interventricular foramen ==> 3rd ventricle ==> cerebral aqueduct ==> 4th ventricle ==> lateral apertures or median aperture or central canal of spinal cord ==> subarachnoid space ==> excess CSF flow into arachnoid granulations ==> dural venous sinuses

What is the function of the BBB?

Maintains controlled environment around the neurons by preventing some molecules to not cross the brain capillaries


Ensembles d'études connexes

Genetics Test IV (Ch. 13, 14, 20, 26, Human Nature movie)

View Set

Ancient Greece Quizlet Vocabulary and Early Greece 4:Ancient Greece

View Set

Unit 1 Microeconomics Midterm: Fall 2020

View Set

Fundamentals Chapter 40: Fluid, Electrolyte, and Acid-Base Balance

View Set

Psych of learning quizes for test 2

View Set